Quick view Details Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity MSRP: Now: $39.95 Add to Cart Compare Quick view Details Digital pH Pen MSRP: Now: $35.95 Add to Cart Compare Quick view Details HM Digital HM Digital pH-200 Pen Waterproof Professional Series MSRP: Now: $122.48 Add to Cart Compare Quick view Details HM Digital HM Digital pH-80S Hydrotester pH Pen MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Details Bluelab PH Controller MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Details Bluelab Bluelab Replacement pH Probe MSRP: Now: $119.95 Add to Cart Compare Quick view Details autopilot Dehumidifying Humidistat MSRP: Now: $79.99 Add to Cart Compare Quick view Details Bluelab bluelab soil pH meter MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Details Digital pH Pen MSRP: Now: $35.95 Add to Cart Compare Quick view Details HM Digital HM Digital pH-200 Pen Waterproof Professional Series MSRP: Now: $122.48 Add to Cart Compare Quick view Details HM Digital HM Digital pH-80S Hydrotester pH Pen MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Details Bluelab PH Controller MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Details Bluelab Bluelab Replacement pH Probe MSRP: Now: $119.95 Add to Cart Compare Quick view Details autopilot Dehumidifying Humidistat MSRP: Now: $79.99 Add to Cart Compare Quick view Details Bluelab bluelab soil pH meter MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Details HM Digital HM Digital pH-200 Pen Waterproof Professional Series MSRP: Now: $122.48 Add to Cart Compare Quick view Details HM Digital HM Digital pH-80S Hydrotester pH Pen MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Details Bluelab PH Controller MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Details Bluelab Bluelab Replacement pH Probe MSRP: Now: $119.95 Add to Cart Compare Quick view Details autopilot Dehumidifying Humidistat MSRP: Now: $79.99 Add to Cart Compare Quick view Details Bluelab bluelab soil pH meter MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Details HM Digital HM Digital pH-80S Hydrotester pH Pen MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Details Bluelab PH Controller MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Details Bluelab Bluelab Replacement pH Probe MSRP: Now: $119.95 Add to Cart Compare Quick view Details autopilot Dehumidifying Humidistat MSRP: Now: $79.99 Add to Cart Compare Quick view Details Bluelab bluelab soil pH meter MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Details Bluelab Bluelab Replacement pH Probe MSRP: Now: $119.95 Add to Cart Compare Quick view Details autopilot Dehumidifying Humidistat MSRP: Now: $79.99 Add to Cart Compare Quick view Details Bluelab bluelab soil pH meter MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Details autopilot Dehumidifying Humidistat MSRP: Now: $79.99 Add to Cart Compare Quick view Details Bluelab bluelab soil pH meter MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Details Bluelab bluelab soil pH meter MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
SALE Quick view Details Hanna Hanna EC Soil Tester MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare
Quick view Details CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Details autopilot Autopilot CO2 Monitor and Controller APC8200 MSRP: Now: $375.95 Add to Cart Compare Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Cloudcom B2 Smart Thermo-Hygrometer with Data App Integrated by AC Infinity A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to app via Bluetooth for... MSRP: Now: $39.95 Add to Cart Compare Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Digital pH Pen Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 C~ 50 C Battery: 3X1.5V (AG13 button battery type) ( including batteries) Dimensions: 142mm (L) * 29mm (W) * 15mm... MSRP: Now: $35.95 Add to Cart Compare Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view HM Digital HM Digital pH-200 Pen Waterproof Professional Series Digital pH-200 Pen pH (potential of hydrogen) is an indication of a substance's acid or alkaline properties. The higher the pH, the more base it is, and the lower the pH, the more acidic it is. A pH level of 7.0 is neutral. The PH-200... MSRP: Now: $122.48 Add to Cart Compare Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view HM Digital HM Digital pH-80S Hydrotester pH Pen Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayBatteries : 3 LR44 batteries included MSRP: Now: $65.53 Add to Cart Compare SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
SALE Quick view Bluelab PH Controller Simplified pH precision Automate pH control in reservoirs of up to 200 US gallons/760 litres 10 ml/min peristaltic pump delivers precise control In-built safety lockouts prevent overdosing Dosing routine allows for... MSRP: Was: $699.98 Now: $565.00 Add to Cart Compare
Quick view Bluelab Bluelab Replacement pH Probe Bluelab Replacement pH ProbeReplace the pH probe rather than the whole Bluelab Meter!The Bluelab pH Probe is a replacement pH probe suitable for use with all Bluelab products that use a BNC fitting. pH probes do not last forever as they age through... MSRP: Now: $119.95 Add to Cart Compare Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view autopilot Dehumidifying Humidistat The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred... MSRP: Now: $79.99 Add to Cart Compare Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
Quick view Bluelab bluelab soil pH meter bluelab soil pH meter Measure the pH level of soil, media or substrates to maintain optimum crop performance. Features: Lightweight and protable Large easy to read display Simple push button pH calibration Successful pH calibration... MSRP: Now: $286.11 Add to Cart Compare SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected × OK
SALE Quick view Hanna Hanna EC Soil Tester GroLine Soil Test Direct Soil Conductivity Tester The HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare
Quick view CO2 Test Vial MSRP: Now: $9.00 Add to Cart Compare Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected
Quick view autopilot Autopilot CO2 Monitor and Controller APC8200 Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with... MSRP: Now: $375.95 Add to Cart Compare Compare Selected