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pH / EC / TDS Meters & Solutions

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General Hydroponics pH Control Kit (12/CS)
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General Hydroponics - pH Control Kit (12/CS) Sale price$24.34
Bluelab Solution 30pc 18ml pH 4.0 Calibration Solution – Calibration / Cleaning
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Bluelab - Solution 30pc 18ml pH 4.0 Calibration Solution Sale price$49.00
Bluelab Solution 30pc 18ml pH 7.0 Calibration Solution – Calibration / Cleaning
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Bluelab - Solution 30pc 18ml pH 7.0 Calibration Solution Sale price$49.00
GroStar Apera EC calibration kit (2.77EC, 8oz.) - . each) - Calibration / Cleaning
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GroStar - Apera EC calibration kit (2.77EC, 8oz.) - . each) Sale price$14.99
HM Digital 1000ppm Calibration Solution - TDS, 3 oz (90 ml) - Calibration / Cleaning
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HM Digital - 1000ppm Calibration Solution - TDS, 3 oz (90 ml) Sale price$10.99
Hanna GroLine direct soil EC tester Range: 0.00 to 4.00 mS/cm - Meters
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Hanna - GroLine direct soil EC tester Range: 0.00 to 4.00 mS/cm Sale price$164.99
Hanna GroLine 1413 uS/cm (1.41 mS/cm) solution, 20 mL sachets (25) - Calibration / Cleaning
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Hanna - GroLine 1413 uS/cm (1.41 mS/cm) solution, 20 mL sachets (25) Sale price$49.99
Hanna Groline electrodes cleaning solution 500 ml - Calibration / Cleaning
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Hanna - Groline electrodes cleaning solution 500 ml Sale price$24.99
Bluelab Probe Care Kit - pH
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Bluelab - Probe Care Kit - pH Sale price$25.00
Bluelab Conductivity Pen
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Bluelab - Conductivity Pen Sale price$99.00
Hanna EC/TDS Probe for HI993xx - Sensors / Probes
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Hanna - EC/TDS Probe for HI993xx Sale price$164.99
Hanna DiST4 Waterproof EC Tester (0.00-20.00 mS/cm) - Meters
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Hanna - DiST4 Waterproof EC Tester (0.00-20.00 mS/cm) Sale price$79.99
Hanna Combo pH/Conductivity/TDS Tester (High Range) - Meters
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Hanna - Combo pH/Conductivity/TDS Tester (High Range) Sale price$224.99
Bluelab pH Controller Wi-Fi - Meters
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Bluelab - pH Controller Wi-Fi Sale price$676.00
General Purpose Cleaning Solution for Agriculture (25 x 20 mL Sachets) – pH Adjusters
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Hanna - General Purpose Cleaning Solution for Agriculture (25 x 20 mL Sachets) Sale price$52.99
GroLine Soil pH Tester – Meters
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Hanna - GroLine Soil pH Tester Sale price$154.99
General Hydroponics 55gal PRO pH Up (4/PL)
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General Hydroponics - 55gal PRO pH Up (4/PL) Sale price$2,583.47
Bluelab Guardian Monitor Wi-Fi
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Bluelab - Guardian Monitor Wi-Fi Sale price$459.00
Nectar For The Gods Olympus Up - pH Adjusters
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Nectar For The Gods - Olympus Up Sale priceFrom $15.00
Emerald Harvest pH Up - pH Adjusters
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Emerald Harvest - pH Up Sale priceFrom $226.20
General Hydroponics 8oz pH Test Indicator (12/CS)
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General Hydroponics - 8oz pH Test Indicator (12/CS) Sale price$15.55
Bluelab Carry Case Single Unit (Meter not included)
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Bluelab - Carry Case Single Unit (Meter not included) Sale price$49.96
Hanna Gro Line Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets) - Calibration / Cleaning
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Hanna - Gro Line Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets) Sale price$44.99
GroStar Apera GroStar GS3 EC Pen - Meters
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GroStar - Apera GroStar GS3 EC Pen Sale price$113.99
Active Air 3 - Way Meter - Meters
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Active Air - 3 - Way Meter Sale price$13.09
Hanna GroLine Storage Solution for pH and ORP Electrodes, 230 mL bottle - Calibration / Cleaning
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Hanna - GroLine Storage Solution for pH and ORP Electrodes, 230 mL bottle Sale price$19.99
Hanna GroLine Storage Solution for pH electrodes, box, 120 ml - Calibration / Cleaning
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Hanna - GroLine Storage Solution for pH electrodes, box, 120 ml Sale price$14.99
Hanna GroLine pH 7.01 Buffer Solution (+/- 0.02 pH accuracy @ 25 deg C) with Certificate of Analysis, 230 mL bottle
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Hanna - GroLine pH 7.01 Buffer Solution (+/- 0.02 pH accuracy @ 25 deg C) with Certificate of Analysis, 230 mL bottle Sale price$19.99
Hanna GroLine pH 4.01 Buffer Solution (+/- 0.02 pH accuracy @ 25 deg C) with Certificate of Analysis, 230 mL bottle
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Hanna - GroLine pH 4.01 Buffer Solution (+/- 0.02 pH accuracy @ 25 deg C) with Certificate of Analysis, 230 mL bottle Sale price$19.99
Hanna GroLine pH 4 buffer (+/- 0.02 pH accuracy), 120 ml, box, certificate of analysis - Calibration / Cleaning
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Hanna - GroLine pH 4 buffer (+/- 0.02 pH accuracy), 120 ml, box, certificate of analysis Sale price$14.99
Hanna GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) - Calibration / Cleaning
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Hanna - GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) Sale price$49.99
Hanna GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) - Calibration / Cleaning
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Hanna - GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) Sale price$49.99
Hanna GroLine hydroponic monitor for pH, EC/TDS and temperature in fertilizer and irrigation water. 115V - Meters
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Hanna - GroLine hydroponic monitor for pH, EC/TDS and temperature in fertilizer and irrigation water. 115V Sale price$459.99
Hanna GroLine waterproof pH tester - Meters
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Hanna - GroLine waterproof pH tester Sale price$99.99
Hanna Electrode (spare) for HI98121, HI98127, HI98128, HI98129 and HI98130 - Sensors / Probes
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Hanna - Electrode (spare) for HI98121, HI98127, HI98128, HI98129 and HI98130 Sale price$84.99
Hanna Direct Soil and Soilless Media pH electrode for use with HI9814 - Sensors / Probes
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Hanna - Direct Soil and Soilless Media pH electrode for use with HI9814 Sale price$284.99
Sensorex TDS Sensor - Sensors / Probes
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Sensorex - TDS Sensor Sale priceFrom $199.00
Biobizz - Biobizz•ph- - BBPHDN1L
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Biobizz - Biobizz•ph- Sale priceFrom $31.99
Hanna Instruments Waterproof Portable Dissolved Oxygen and BOD Meter - Meters
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Hanna Instruments - Waterproof Portable Dissolved Oxygen and BOD Meter Sale price$949.99
Hanna Direct Soil Measurement pH Portable Meter - Meters
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Hanna - Direct Soil Measurement pH Portable Meter Sale price$629.99
Hanna Digital pH, Conductivity, Dissolved Oxygen Meter - Meters
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Hanna - Digital pH, Conductivity, Dissolved Oxygen Meter Sale price$924.99
Hanna Multiparameter pH/EC/TDS/Salinity/DO/Pressure/ Temperature Waterproof Meter - Meters
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Hanna - Multiparameter pH/EC/TDS/Salinity/DO/Pressure/ Temperature Waterproof Meter Sale priceFrom $1,849.99
Hanna GroLine Nutrient dosing system with HI30033 conductivity probe - Meters
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Hanna - GroLine Nutrient dosing system with HI30033 conductivity probe Sale priceFrom $459.99
Hanna GroLine pH dosing system with HI10063 pH probe - Meters
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Hanna - GroLine pH dosing system with HI10063 pH probe Sale priceFrom $459.99
Hanna pH/EC/TDS meter with HI1285-51 electrode, range: pH 0.0 to 14.0 pH EC 0.00 to 4.00 mS/cm TDS 0 to 1999 ppm (mg/L)
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Hanna - pH/EC/TDS meter with HI1285-51 electrode, range: pH 0.0 to 14.0 pH EC 0.00 to 4.00 mS/cm TDS 0 to 1999 ppm (mg/L) Sale price$269.99
Hanna ORP/pH/Temperature Tester - Meters
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Hanna - ORP/pH/Temperature Tester Sale price$249.99
Hanna Checker pH tester, 0.1pH Resolution with 1271 electrode - Meters
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Hanna - Checker pH tester, 0.1pH Resolution with 1271 electrode Sale price$46.99
Hanna Refracting Index refractometer - uncompensated readings (nD), temperature compensated to sucrose (nD20) and % Brix
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Hanna - Refracting Index refractometer - uncompensated readings (nD), temperature compensated to sucrose (nD20) and % Brix Sale price$489.99