ph control system

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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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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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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 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/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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pH/EC Conductivity Meter with ATC Water Quality Tester 0.0-14.0pH / 0~19.99ms/cm Aquarium, Hydroponics Tool

pH/EC Conductivity Meter with ATC Water Quality Tester 0.0-14.0pH / 0~19.99ms/cm Aquarium, Hydroponics Tool

$46.99
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PH/EC/Temp Meter Professional 3 in 1 Portable High Accuracy Handheld Pen Testing Water Quality Tester Meter

PH/EC/Temp Meter Professional 3 in 1 Portable High Accuracy Handheld Pen Testing Water Quality Tester Meter

$27.32
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Pinpoint® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 20 Piece Set – 7.000, 10.000

Pinpoint® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 20 Piece Set – 7.000, 10.000

$17.49
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Pinpoint® ORP/REDOX Replacement Probe with Cleaning Strip

Pinpoint® ORP/REDOX Replacement Probe with Cleaning Strip

$69.00
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