ph control system

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1-Set Paradisiac Popular GH pH Control Acid Alkaline Water Test Kit Accurate General Up and Down Volume 8 oz with 1 oz Indicator

1-Set Paradisiac Popular GH pH Control Acid Alkaline Water Test Kit Accurate General Up and Down Volume 8 oz with 1 oz Indicator

Original price was: $19.64.Current price is: $18.32.
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2 in 1 Temperature pH Monitor Meter Tester Sensor Test Kit 0~14 pH Automatic Calibration BNC Electrode Probe for Hydroponic ph Aquarium Meter Water Lab Food Drinking Water pH of Saltwater/Seawater

2 in 1 Temperature pH Monitor Meter Tester Sensor Test Kit 0~14 pH Automatic Calibration BNC Electrode Probe for Hydroponic ph Aquarium Meter Water Lab Food Drinking Water pH of Saltwater/Seawater

$37.99
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2-in-1 Chlorine&PH Meter Swimming Pool Tester, Handheld CL2 Level Meter Test Spa Water Quality Analysis Monitoring Monitor Analyzer

2-in-1 Chlorine&PH Meter Swimming Pool Tester, Handheld CL2 Level Meter Test Spa Water Quality Analysis Monitoring Monitor Analyzer

$29.99
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2-in-1 Combo pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory

2-in-1 Combo pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory

$34.99
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3 in 1 Water Quality Multi-Parameter pH EC Temperature Meter Tester Monitor Sensor Probe Test Kit ATC Waterproof Black-Light for Aquariums Hydroponics Laboratory Pool Spa Drinking Water

3 in 1 Water Quality Multi-Parameter pH EC Temperature Meter Tester Monitor Sensor Probe Test Kit ATC Waterproof Black-Light for Aquariums Hydroponics Laboratory Pool Spa Drinking Water

$30.90
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486201-K Exact® Pool EZ Photometer Starter Kit | 10 Parameters – F/C/T Chlorine, pH, Alkalinity, Calcium, Cyanuric, Copper, Salt, & Phosphate | 25 Tests Ea. w/o PO4, Cu, NaCl | NSF Certified

486201-K Exact® Pool EZ Photometer Starter Kit | 10 Parameters – F/C/T Chlorine, pH, Alkalinity, Calcium, Cyanuric, Copper, Salt, & Phosphate | 25 Tests Ea. w/o PO4, Cu, NaCl | NSF Certified

Original price was: $309.99.Current price is: $249.53.
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5 in 1 TDS Meter PH Tester, 0.01 High Accuracy Digital PH Meter for Water, PH/TDS/EC/Salt/Temp Tester, PPM Meter Water Tester for Drinking Water, Hydroponics, Plants, Aquarium and Pool

5 in 1 TDS Meter PH Tester, 0.01 High Accuracy Digital PH Meter for Water, PH/TDS/EC/Salt/Temp Tester, PPM Meter Water Tester for Drinking Water, Hydroponics, Plants, Aquarium and Pool

Original price was: $49.99.Current price is: $39.98.
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5 Sets Soil Moisture Sensor, Resistive Soil Moisture Meter, Soil Hygrometer Sensor Test Kit with Corrosion Resistant Probe Digital Analog Signal Output for Garden Automatic Watering System

5 Sets Soil Moisture Sensor, Resistive Soil Moisture Meter, Soil Hygrometer Sensor Test Kit with Corrosion Resistant Probe Digital Analog Signal Output for Garden Automatic Watering System

$20.99
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6″ Blocks – Hydroponics Growing System – Plant Starter Grow Cubes – Hydroponic Pods – Garden Supplies for Plant Propagation – 6-Pack

6″ Blocks – Hydroponics Growing System – Plant Starter Grow Cubes – Hydroponic Pods – Garden Supplies for Plant Propagation – 6-Pack

$39.99
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8 in 1 Rechargeable Water Quality Tester 24 Hour Online Monitoring Tool S.G PH EC Salt ORP TDS CF Temp Multi Parameter Test for Aquarium Hydroponics Laboratories

8 in 1 Rechargeable Water Quality Tester 24 Hour Online Monitoring Tool S.G PH EC Salt ORP TDS CF Temp Multi Parameter Test for Aquarium Hydroponics Laboratories

$94.97
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AC Infinity Self-Watering Fabric Pot Base, 4-Pack Auto-Irrigation Water Delivery System with Reservoir Meter, Elevated Plant Saucers for Use in Indoor Grow Tents, Greenhouses, and Gardens

AC Infinity Self-Watering Fabric Pot Base, 4-Pack Auto-Irrigation Water Delivery System with Reservoir Meter, Elevated Plant Saucers for Use in Indoor Grow Tents, Greenhouses, and Gardens

$59.99
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Accurate Check Ph Test Strips for Water, 50 Count

Accurate Check Ph Test Strips for Water, 50 Count

$9.91
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