Quick view Details Mondi Mondi Mini Thermometer MSRP: Now: $24.95 Add to Cart Compare Quick view Details Cannamax CannaMax TDS 1000 Solution 500 mL MSRP: Now: $6.40 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 7 500mL MSRP: Now: $11.49 Add to Cart Compare Quick view Details HM Digital Com-80S TDS/PPM Pen MSRP: Now: $49.95 Add to Cart Compare Quick view Details HM Digital PH Pen ph80s MSRP: Now: $68.95 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 HM Digital HM PH 7 Buffer Solution 20 mL MSRP: Now: $1.99 Add to Cart Compare Quick view Details HM Digital HM TDS 1000 PPM 20ML MSRP: Now: $0.99 Add to Cart Compare Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Cannamax CannaMax TDS 1000 Solution 500 mL MSRP: Now: $6.40 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 7 500mL MSRP: Now: $11.49 Add to Cart Compare Quick view Details HM Digital Com-80S TDS/PPM Pen MSRP: Now: $49.95 Add to Cart Compare Quick view Details HM Digital PH Pen ph80s MSRP: Now: $68.95 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 HM Digital HM PH 7 Buffer Solution 20 mL MSRP: Now: $1.99 Add to Cart Compare Quick view Details HM Digital HM TDS 1000 PPM 20ML MSRP: Now: $0.99 Add to Cart Compare Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details NUTRI+ Calibration Solution pH 7 500mL MSRP: Now: $11.49 Add to Cart Compare Quick view Details HM Digital Com-80S TDS/PPM Pen MSRP: Now: $49.95 Add to Cart Compare Quick view Details HM Digital PH Pen ph80s MSRP: Now: $68.95 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 HM Digital HM PH 7 Buffer Solution 20 mL MSRP: Now: $1.99 Add to Cart Compare Quick view Details HM Digital HM TDS 1000 PPM 20ML MSRP: Now: $0.99 Add to Cart Compare Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details HM Digital Com-80S TDS/PPM Pen MSRP: Now: $49.95 Add to Cart Compare Quick view Details HM Digital PH Pen ph80s MSRP: Now: $68.95 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 HM Digital HM PH 7 Buffer Solution 20 mL MSRP: Now: $1.99 Add to Cart Compare Quick view Details HM Digital HM TDS 1000 PPM 20ML MSRP: Now: $0.99 Add to Cart Compare Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details HM Digital PH Pen ph80s MSRP: Now: $68.95 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 HM Digital HM PH 7 Buffer Solution 20 mL MSRP: Now: $1.99 Add to Cart Compare Quick view Details HM Digital HM TDS 1000 PPM 20ML MSRP: Now: $0.99 Add to Cart Compare Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next 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 HM Digital HM PH 7 Buffer Solution 20 mL MSRP: Now: $1.99 Add to Cart Compare Quick view Details HM Digital HM TDS 1000 PPM 20ML MSRP: Now: $0.99 Add to Cart Compare Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details HM Digital HM TDS 1000 PPM 20ML MSRP: Now: $0.99 Add to Cart Compare Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details HM Digital HM TDS Calibration Solution MSRP: Now: $8.95 Add to Cart Compare Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details NUTRI+ Calibration Solution pH 4 500mL MSRP: Now: $11.49 Add to Cart Compare SALE Quick view Details AirComfort Thermometer MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
SALE Quick view Details Sun System PAR Meter w/ Integrated Sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare
Quick view Mondi Mondi Mini Thermometer This revolutionary product mounts to the side of your Mondi Mini Greenhouse and reads temperature and humidity inside the dome. It ensures plants get the start they need by providing growers with... MSRP: Now: $24.95 Add to Cart Compare Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Cannamax CannaMax TDS 1000 Solution 500 mL CannaMax Labs 1,000 ppm 500 mL Professional-quality EC reference solution for TDS meter calibration. MSRP: Now: $6.40 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view NUTRI+ Calibration Solution pH 7 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7 500ML pH7 calibration solutionsCalibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view HM Digital Com-80S TDS/PPM Pen HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER Main Features: Four scales: EC (µS, mS) & TDS (ppm, ppt). Automatic Temperature Compensation (ATC). Water resistant. Measurement Range:... MSRP: Now: $49.95 Add to Cart Compare Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view HM Digital PH Pen ph80s Digital pH PenMeasures pH and TemperatureOne-touch automatic digital calibrationWater resistant MSRP: Now: $68.95 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next 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,... MSRP: Was: $188.00 Now: $119.95 Add to Cart Compare
Quick view HM Digital HM PH 7 Buffer Solution 20 mL HM Digital pH 7.0 buffer solution - 1 packet of 20 mL 7.0 pH buffer solution to calibrate pH pens MSRP: Now: $1.99 Add to Cart Compare Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view HM Digital HM TDS 1000 PPM 20ML HM Digital TDS 1000 ppm calibration solution - 1 packet of 20 mL 1000 ppm NaCl calibration solution MSRP: Now: $0.99 Add to Cart Compare Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view HM Digital HM TDS Calibration Solution HM Digital 1000 PPM Calibration Solution For optimal performance, re-calibrate your meters periodicall MSRP: Now: $8.95 Add to Cart Compare Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected
Quick view NUTRI+ Calibration Solution pH 4 500mL NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML Calibration solution for pH-meters. A monthly calibration of your equipment is essential to obtain precise results. MSRP: Now: $11.49 Add to Cart Compare SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected
SALE Quick view AirComfort Thermometer AirComfort is an Award winning product that tracks and monitors indoor temperature and humidity of your home or office environment. Aircomfort is compatible with IOS and Android mobile devices... MSRP: Was: $52.99 Now: $19.95 Add to Cart Compare
SALE Quick view Sun System PAR Meter w/ Integrated Sensor Sun System PAR Meter w/ Integrated Sensor Measure photosynthetic active radiation (PAR) Use inside with grow lights Simple and easy to use Compact size with integrated sensor MSRP: Was: $460.00 Now: $345.00 Add to Cart Compare