pH Control and Testing

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pH Buffer Calibration Solution, pH 7.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters — Color Coded Yellow

pH Buffer Calibration Solution, pH 7.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters — Color Coded Yellow

$23.00
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pH Controller with Temperature Compensation, Dual Relay Digital pH Monitor, Professional pH Meter for Hydroponic System and Indoor Plant Grow, Aquarium, Farm Garden

pH Controller with Temperature Compensation, Dual Relay Digital pH Monitor, Professional pH Meter for Hydroponic System and Indoor Plant Grow, Aquarium, Farm Garden

$239.90
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- 8%
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PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium

Original price was: $12.99.Current price is: $11.99.
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PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing, Indoor Garden, Home Brewing, Pool, Aquarium.

PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing, Indoor Garden, Home Brewing, Pool, Aquarium.

$23.59
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- 5%
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PH Monitor & Temperature Meter 2 in 1 Digital Water Quality Tester Sensor Test Kit with Automatic Calibration/Replaceable BNC Electrode Probe for Aquariums Hydroponics Tanks Aquaculture Laboratory

PH Monitor & Temperature Meter 2 in 1 Digital Water Quality Tester Sensor Test Kit with Automatic Calibration/Replaceable BNC Electrode Probe for Aquariums Hydroponics Tanks Aquaculture Laboratory

Original price was: $34.90.Current price is: $32.99.
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PH Probe PH Controller Value Detect Acquisition Monitoring Professional Industrial Control Supplies for Hydroponic System

PH Probe PH Controller Value Detect Acquisition Monitoring Professional Industrial Control Supplies for Hydroponic System

$13.49
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Ph Test Liquid Kit for Drinking Water Measures pH Level of Water More Accurately Than Test Strips pH Starter Kit Drops Easy to Use

Ph Test Liquid Kit for Drinking Water Measures pH Level of Water More Accurately Than Test Strips pH Starter Kit Drops Easy to Use

$8.70
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pH Test Strips 0 to 14 (200 ct) for Water & Liquids. Universal Plastic pH Strips Drinking Water, Kombucha, Pool, Spa, Hotub, Soap, & Urine and Saliva. Acid Alkaline Litmus Paper Testing Strips

pH Test Strips 0 to 14 (200 ct) for Water & Liquids. Universal Plastic pH Strips Drinking Water, Kombucha, Pool, Spa, Hotub, Soap, & Urine and Saliva. Acid Alkaline Litmus Paper Testing Strips

$11.97
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PH Tester Chlorine Level Meter Water Tester 1.5V AA Batteries Plastic Shell Swimming Pool Spa Water Quality Monitor

PH Tester Chlorine Level Meter Water Tester 1.5V AA Batteries Plastic Shell Swimming Pool Spa Water Quality Monitor

$19.99
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pH Tester, ph up and Down, Accurate and Calibrated pH Meter for Hydroponic System,Pools, Koi Ponds, Drinking Water, Wine/Beer Brewing, Hot Tub, Spa, Aquarium

pH Tester, ph up and Down, Accurate and Calibrated pH Meter for Hydroponic System,Pools, Koi Ponds, Drinking Water, Wine/Beer Brewing, Hot Tub, Spa, Aquarium

$10.99
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pH Up and pH Down Control Kit — 250 mL (8.4 fl oz) Each — Achieve The Perfect pH — Great for Hydroponics

pH Up and pH Down Control Kit — 250 mL (8.4 fl oz) Each — Achieve The Perfect pH — Great for Hydroponics

$19.50
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pH Up/Down Control Kit for Growth Medium – Includes 2 Solutions (250mL EA), Test Papers, Cups, Pipettes – The Curated Chemical Collection by Innovating Science

pH Up/Down Control Kit for Growth Medium – Includes 2 Solutions (250mL EA), Test Papers, Cups, Pipettes – The Curated Chemical Collection by Innovating Science

$24.99
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