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pH / EC / TDS Meters & Solutions

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Advanced Nutrients pH-Down - pH Adjusters
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Advanced Nutrients - pH-Down Sale priceFrom $31.36
General Hydroponics 2.5gal PRO pH Down (2/CS)
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General Hydroponics - 2.5gal PRO pH Down (2/CS) Sale price$179.83
Advanced Nutrients pH-Up - pH Adjusters
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Advanced Nutrients - pH-Up Sale priceFrom $31.36
OEM Chemicals OEM pH Down - Phosphoric Acid 75% - Rocky Mountains & East Warehouses - pH Adjusters
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OEM pH Down - Phosphoric Acid 75% - Rocky Mountains & East Warehouses Sale priceFrom $66.80
Bluelab pH Probe
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Bluelab - pH Probe Sale price$90.00
BLB pH 7.0 Calibration Solution 500ml 6/CS
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Bluelab - pH 7.0 Calibration Solution 500ml 6/CS Sale price$20.83
General Hydroponics 8oz pH Up (12/CS)
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General Hydroponics - 8oz pH Up (12/CS) Sale price$11.33
Bluelab Combo Meter
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Bluelab - Combo Meter Sale price$339.00
OEM Chemicals OEM pH Up - Potassium Hydroxide 45% - Rocky Mountains & East Warehouses - pH Adjusters
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OEM pH Up - Potassium Hydroxide 45% - Rocky Mountains & East Warehouses Sale priceFrom $116.40
Hanna Groline quick calibration solution 500 ml - Calibration / Cleaning
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Hanna - Groline quick calibration solution 500 ml Sale price$24.99
BLB pH 4.0 Calibration Solution 250ml 6/CS
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Bluelab - pH 4.0 Calibration Solution 250ml 6/CS Sale price$11.50
BLB 2.77 EC Conductivity Std Solution 500ml 6/CS
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Bluelab - 2.77 EC Conductivity Std Solution 500ml 6/CS Sale price$20.83
BLB pH 4.0 Calibration Solution 500ml 6/CS
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Bluelab - pH 4.0 Calibration Solution 500ml 6/CS Sale price$20.83
BLB pH Probe KCl Storage Solution 250 ml 6/CS
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Bluelab - pH Probe KCl Storage Solution 250 ml 6/CS Sale price$155.00
General Hydroponics 6gal PRO pH Up (48/PL)
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General Hydroponics - 6gal PRO pH Up (48/PL) Sale price$373.13
Hanna pH/EC/TDS Multiparameter Probe for use with HI9814 - Sensors / Probes
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Hanna - pH/EC/TDS Multiparameter Probe for use with HI9814 Sale price$184.99
Hanna GroLine Waterproof Portable pH/EC/TDS Meter - Meters
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Hanna - GroLine Waterproof Portable pH/EC/TDS Meter Sale price$309.99
BLB PH Probe KCl Storage Solution 120ml
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Bluelab - PH Probe KCl Storage Solution 120ml Sale price$95.00
Hanna Groline electrodes storage solution 500 ml - Calibration / Cleaning
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Hanna - Groline electrodes storage solution 500 ml Sale price$24.99
BLB pH 7.0 Calibration Solution 250ml 6/CS
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Bluelab - pH 7.0 Calibration Solution 250ml 6/CS Sale price$11.50
Emerald Harvest pH Down - pH Adjusters
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Emerald Harvest - pH Down Sale priceFrom $226.20
Hanna 12880 S/cm Conductivity Standard (500mL Bottle) - Calibration / Cleaning
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Hanna - 12880 S/cm Conductivity Standard (500mL Bottle) Sale price$21.99
Bluelab pH Pen
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Bluelab - pH Pen Sale price$99.00
General Hydroponics 8oz pH Down (12/CS)
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General Hydroponics - 8oz pH Down (12/CS) Sale price$11.33
Hanna Groline pH 7 buffer solution 500 ml - Calibration / Cleaning
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Hanna - Groline pH 7 buffer solution 500 ml Sale price$24.99
Hanna Groline pH 4 buffer solution 500 ml - Calibration / Cleaning
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Hanna - Groline pH 4 buffer solution 500 ml Sale price$24.99
Hanna pH/EC/TDS/Temperature meter with CAL Check - Sensors / Probes
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Hanna - pH/EC/TDS/Temperature meter with CAL Check Sale priceFrom $174.99
General Hydroponics 6gal PRO pH Down (48/PL)
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General Hydroponics - 6gal PRO pH Down (48/PL) Sale price$373.13
General Hydroponics 55gal PRO pH Down (4/PL)
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General Hydroponics - 55gal PRO pH Down (4/PL) Sale price$2,583.47
OEM Chemicals OEM Sulfuric acid 50% - West Coast Warehouses - % 1.4 NSF 630 LBS Drum - OEM Chemicals
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OEM pH Down - Phosphoric Acid 75% - West Coast Warehouses Sale priceFrom $182.00
Bluelab Guardian Monitor Inline Wi-Fi
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Bluelab - Guardian Monitor Inline Wi-Fi Sale price$675.00
Hanna GroLine QuickCal solution, 120 ml - Calibration / Cleaning
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Hanna - GroLine QuickCal solution, 120 ml Sale price$14.99
AROYA SOLUS 3 in 1 Wireless EC/Temp/Soil Teros 12 Moisture Content Meter - Sensors / Probes
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AROYA - SOLUS 3 in 1 Wireless EC/Temp/Soil Teros 12 Moisture Content Meter Sale price$551.25
General Hydroponics 1gal pH Up Liquid (4/CS)
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General Hydroponics - 1gal pH Up Liquid (4/CS) Sale price$41.79
Bluelab OnePen w/ Replaceable pH, Conductivity (EC), and Temperature Probe
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Bluelab - OnePen w/ Replaceable pH, Conductivity (EC), and Temperature Probe Sale price$249.00
Bluelab pH Probe - Inline
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Bluelab - pH Probe - Inline Sale price$209.00
Hanna GroLine pH, EC/TDS and temperature monitor for nutrient solutions supplied with HI1285-9 probe with 3/4 in threaded
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Hanna - GroLine pH, EC/TDS and temperature monitor for nutrient solutions supplied with HI1285-9 probe with 3/4 in threaded connection; 115 VAC Sale price$629.99
Bluelab Probe Care Kit - pH & Conductivity
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Bluelab - Probe Care Kit - pH & Conductivity Sale price$47.06
Bluelab Combo Meter Plus
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Bluelab - Combo Meter Plus Sale price$399.00
General Hydroponics 2.5gal PRO pH Up (2/CS)
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General Hydroponics - 2.5gal PRO pH Up (2/CS) Sale price$179.83
Hanna Portable Waterproof pH/EC/TDS Meter (High Range) - Meters
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Hanna - Portable Waterproof pH/EC/TDS Meter (High Range) Sale price$699.99
BLB 2.77 EC Conductivity Std Solution 250ml 6/CS
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Bluelab - 2.77 EC Conductivity Std Solution 250ml 6/CS Sale price$11.50
HM Digital EC/TDS/Temp Waterproof Hydro Tester - COM-80 - Meters
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HM Digital - EC/TDS/Temp Waterproof Hydro Tester - COM-80 Sale price$52.99
Hanna GroLine Cleaning Solution for General Use, 230 mL bottle - Calibration / Cleaning
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Hanna - GroLine Cleaning Solution for General Use, 230 mL bottle Sale price$24.99
BioPharm pH Buffer Calibration Kit – pH Adjusters
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BioPharm - pH Buffer Calibration Kit - 2x1 gallon Sale price$152.00
General Hydroponics 1gal pH Down Liquid (4/CS)
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General Hydroponics - 1gal pH Down Liquid (4/CS) Sale price$41.79
Sensorex pH Sensor - Light Duty Replacement - Sensors / Probes
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Sensorex - pH Sensor - Light Duty Replacement Sale priceFrom $119.00
Hanna GroLine pH/EC/TDS/Temperature probe with 3/4 in in-line threaded connection for use with the HI98142X monitor
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Hanna - GroLine pH/EC/TDS/Temperature probe with 3/4 in in-line threaded connection for use with the HI98142X monitor Sale price$369.99