Ph System(471)
Uses item details. Price when purchased online
Clearance Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $11.99 Was $13.99
Sponsored
Now$1199
current price Now $11.99, Was $13.99$13.99
Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
34.7 out of 5 Stars. 3 reviews
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Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $21.99
Sponsored
$2199
current price $21.99Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
373.6 out of 5 Stars. 37 reviews
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10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $29.99
Sponsored
$2999
current price $29.9910 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
373.6 out of 5 Stars. 37 reviews
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Hydrofast - A2S Digital Water Tester, 4 in 1 TDS/ EC Temperature(°C/°F), 0~9990ppm Reading, Ideal for Drinking Water, RO/DI System - White + Black $19.99
Sponsored
$1999
current price $19.99Hydrofast - A2S Digital Water Tester, 4 in 1 TDS/ EC Temperature(°C/°F), 0~9990ppm Reading, Ideal for Drinking Water, RO/DI System - White + Black
Best seller SUPTREE Digital PH Meter Tester for Water Pool- 0.01ph High Accuracy Pen PH Tester for Cosmetic, Lotion, Foods and Water $8.99 Was $17.99
Now$899
current price Now $8.99, Was $17.99$17.99
SUPTREE Digital PH Meter Tester for Water Pool- 0.01ph High Accuracy Pen PH Tester for Cosmetic, Lotion, Foods and Water
2094.1 out of 5 Stars. 209 reviews
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Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01 $19.99
$1999
current price $19.99Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01
333.9 out of 5 Stars. 33 reviews
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Wiher Digital PH Meter, 7 in 1 Water Tester TDS Meter/Salinity Tester/Temp/pH Meter/EC/S.G/ORP Meter for Pool, Fish Tank, Drinking water, hydroponics, Black $35.99
$3599
current price $35.99Wiher Digital PH Meter, 7 in 1 Water Tester TDS Meter/Salinity Tester/Temp/pH Meter/EC/S.G/ORP Meter for Pool, Fish Tank, Drinking water, hydroponics, Black
15 out of 5 Stars. 1 reviews
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PH Meter,TDS Meter Combo,Pool Water Test Kit,PH Tester Digital,PPM Meter,0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water,Hydroponics,RO System,Aquarium,Swimming Was $19.99
PH Meter,TDS Meter Combo,Pool Water Test Kit,PH Tester Digital,PPM Meter,0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water,Hydroponics,RO System,Aquarium,Swimming
1-Set Terrific Popular GH pH Control Hydroponics Tool Accurate General Water Test Kit Up and Down Volume 8 oz with 1 oz Indicator $24.74
$2474
current price $24.741-Set Terrific Popular GH pH Control Hydroponics Tool Accurate General Water Test Kit Up and Down Volume 8 oz with 1 oz Indicator
74.7 out of 5 Stars. 7 reviews
Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $21.99
$2199
current price $21.99Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
373.6 out of 5 Stars. 37 reviews
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Best seller SUPTREE Digital PH Meter Tester for Water Pool- 0.01ph High Accuracy Pen PH Tester for Cosmetic, Lotion, Foods and Water $8.99 Was $17.99
Sponsored
Now$899
current price Now $8.99, Was $17.99$17.99
SUPTREE Digital PH Meter Tester for Water Pool- 0.01ph High Accuracy Pen PH Tester for Cosmetic, Lotion, Foods and Water
2094.1 out of 5 Stars. 209 reviews
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5-in-1 Digital Water Quality Tester – PH/TDS/EC/Salinity/Temperature Meter, US Plug Digital PH Meter Pool Salt Tester for Water Temp Meter ATC Household, Hydrophonic, Precision Algorithm Chip $23.99
Sponsored
$2399
current price $23.995-in-1 Digital Water Quality Tester – PH/TDS/EC/Salinity/Temperature Meter, US Plug Digital PH Meter Pool Salt Tester for Water Temp Meter ATC Household, Hydrophonic, Precision Algorithm Chip
General Hydroponics pH Control Kit for a Balanced Nutrient Solution $25.99
$2599
current price $25.99General Hydroponics pH Control Kit for a Balanced Nutrient Solution
154.7 out of 5 Stars. 15 reviews
Food PH Meter, Digital PH Tester with High Accuracy pH Probe for Sourdough and Bread, Food pH Meter for Fruits, Meat, Cheese, Solid Samples and Water $29.99
$2999
current price $29.99Food PH Meter, Digital PH Tester with High Accuracy pH Probe for Sourdough and Bread, Food pH Meter for Fruits, Meat, Cheese, Solid Samples and Water
123.7 out of 5 Stars. 12 reviews
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Ph Meter Water Tester, iPstyle Digital Water Quality Tester Perfect for Hydroponics, Pools, Koi Ponds, Drinking Water $8.99
$899
current price $8.99Ph Meter Water Tester, iPstyle Digital Water Quality Tester Perfect for Hydroponics, Pools, Koi Ponds, Drinking Water
14 out of 5 Stars. 1 reviews
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VIVOSUN Digital pH Meter, 3-in-1 TDS/EC/Temperature Meter, 3-in-1 Soil Moisture/pH/Light Tester Combo for Home, Garden and Hydroponics $27.99
$2799
current price $27.99VIVOSUN Digital pH Meter, 3-in-1 TDS/EC/Temperature Meter, 3-in-1 Soil Moisture/pH/Light Tester Combo for Home, Garden and Hydroponics
55 out of 5 Stars. 5 reviews
PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool $27.99
$2799
current price $27.99PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool
294.4 out of 5 Stars. 29 reviews
General Hydroponics Calibration Solutio pH Control Kit, 8 oz $22.85
$2285
current price $22.85General Hydroponics Calibration Solutio pH Control Kit, 8 oz
1044.7 out of 5 Stars. 104 reviews
Hydroponic ppm pH Monitor, WiFi 6 in 1 pH EC Meter for Hydroponics Growing System
Hydroponic ppm pH Monitor, WiFi 6 in 1 pH EC Meter for Hydroponics Growing System
AC Infinity pH Meter Kit, High Precision Digital pH Pen with 0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools $59.99
$5999
current price $59.99AC Infinity pH Meter Kit, High Precision Digital pH Pen with 0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools
124.9 out of 5 Stars. 12 reviews
Envig Gen4 Digital Drinking Water Tester | TOC, COD, TDS, TURB, UV254, GH, EC, SAL, TEMP 9-in-1 | Organic Contamination, Salinity, Turbility | Lab Grade | Well, Tap, Pool & Outdoor Water Quality $79.99
Sponsored
$7999
current price $79.99Envig Gen4 Digital Drinking Water Tester | TOC, COD, TDS, TURB, UV254, GH, EC, SAL, TEMP 9-in-1 | Organic Contamination, Salinity, Turbility | Lab Grade | Well, Tap, Pool & Outdoor Water Quality
15 out of 5 Stars. 1 reviews
Wiher Digital PH Meter, 7 in 1 Water Tester TDS Meter/Salinity Tester/Temp/pH Meter/EC/S.G/ORP Meter for Pool, Fish Tank, Drinking water, hydroponics, Black $35.99
Sponsored
$3599
current price $35.99Wiher Digital PH Meter, 7 in 1 Water Tester TDS Meter/Salinity Tester/Temp/pH Meter/EC/S.G/ORP Meter for Pool, Fish Tank, Drinking water, hydroponics, Black
15 out of 5 Stars. 1 reviews
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Amerteer Digital PH Meter Water Quality Tester for Food Brewing Hydroponics Aquarium RO System Pools, 0-14PH Automatic Temperature Compensation 0.01pH Accuracy, for Household Drinking Water, Aquarium $10.37 Was $13.43
Now$1037
current price Now $10.37, Was $13.43$13.43
Amerteer Digital PH Meter Water Quality Tester for Food Brewing Hydroponics Aquarium RO System Pools, 0-14PH Automatic Temperature Compensation 0.01pH Accuracy, for Household Drinking Water, Aquarium
Plant Water Meter, pH Meter, 7 in 1 Digital Water Tester for pH TDS EC SALT ORP TEMP Fertility, TDS Meter for Hydroponics, Aquarium, Swimming Pool, Hot Tub $43.99
$4399
current price $43.99Plant Water Meter, pH Meter, 7 in 1 Digital Water Tester for pH TDS EC SALT ORP TEMP Fertility, TDS Meter for Hydroponics, Aquarium, Swimming Pool, Hot Tub
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ODOMY PH Meter Digital Water Quality Test TDS PH EC Temperature 4 in 1 Set for Indoor Pool and Aquarium Water $9.15
$915
current price $9.15ODOMY PH Meter Digital Water Quality Test TDS PH EC Temperature 4 in 1 Set for Indoor Pool and Aquarium Water
Clearance Pool Salt Tester, Digital Salt Water Pool Tester & Ph Tester, Salt Tester for Saltwater Pool, Digital Salinity Tester for Water, 5 In 1 Salinity Ph Temp EC and Tds Meter for Pool, Saltwater Aquarium Was $26.99
Pool Salt Tester, Digital Salt Water Pool Tester & Ph Tester, Salt Tester for Saltwater Pool, Digital Salinity Tester for Water, 5 In 1 Salinity Ph Temp EC and Tds Meter for Pool, Saltwater Aquarium
VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium, with ATC, Army Green $13.99
$1399
current price $13.99VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium, with ATC, Army Green
143.4 out of 5 Stars. 14 reviews
PH Meter, Digital PH Tester 0.01 High Accuracy PH Meter for Water, 0-14 PH Measurement Range for Drinking Water, Pool and Aquarium
PH Meter, Digital PH Tester 0.01 High Accuracy PH Meter for Water, 0-14 PH Measurement Range for Drinking Water, Pool and Aquarium
Tcwhniev Digital PH Meter 7 In 1 PH/ORP/EC/TEMP/SALT/S/G/TDS/Water Quality Tester High Precision Water Tester Pen for Household Drinking Water Swimming Pool Aquarium Hydroponics Plants
Tcwhniev Digital PH Meter 7 In 1 PH/ORP/EC/TEMP/SALT/S/G/TDS/Water Quality Tester High Precision Water Tester Pen for Household Drinking Water Swimming Pool Aquarium Hydroponics Plants
15 out of 5 Stars. 1 reviews
Digital Food PH Tester, 0.01 Resolution High Accuracy Digital PH Meter with Backlit LCD Display, Digital pH Tester for Sourdough, Bread, Meat, Canning, Cheese, Solid Samples, Soft Soil, Water $35.99
$3599
current price $35.99Digital Food PH Tester, 0.01 Resolution High Accuracy Digital PH Meter with Backlit LCD Display, Digital pH Tester for Sourdough, Bread, Meat, Canning, Cheese, Solid Samples, Soft Soil, Water
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Pool Salt Tester, PH Tester Digital, Water Testing Kit, 5 in 1 PH Meter for Water/Salinity Meter/TDS/EC/Thermometer, Suitable for Drinking Water Swimming Pools Hydroponic Plants Aquariums $50.99
Sponsored
$5099
current price $50.99Pool Salt Tester, PH Tester Digital, Water Testing Kit, 5 in 1 PH Meter for Water/Salinity Meter/TDS/EC/Thermometer, Suitable for Drinking Water Swimming Pools Hydroponic Plants Aquariums
7 in 1 Digital pH Meter for ORP pH EC TDS TEMP S.G Salinity Water Tester, Pool Salt Tester for Hydroponics, Saltwater Pool, Hot Tubs, Aquarium, Gardening $37.99
Sponsored
$3799
current price $37.997 in 1 Digital pH Meter for ORP pH EC TDS TEMP S.G Salinity Water Tester, Pool Salt Tester for Hydroponics, Saltwater Pool, Hot Tubs, Aquarium, Gardening
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Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester, 0.1 pH Accuracy, 0-14.0 pH Range, Complete Kit $70.91
$7091
current price $70.91Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester, 0.1 pH Accuracy, 0-14.0 pH Range, Complete Kit
43.8 out of 5 Stars. 4 reviews
7 in 1 Digital pH Meter for ORP pH EC TDS TEMP S.G Salinity Water Tester, Pool Salt Tester for Hydroponics, Saltwater Pool, Hot Tubs, Aquarium, Gardening $37.99
$3799
current price $37.997 in 1 Digital pH Meter for ORP pH EC TDS TEMP S.G Salinity Water Tester, Pool Salt Tester for Hydroponics, Saltwater Pool, Hot Tubs, Aquarium, Gardening
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Best seller HTH Pool Care 6-Way Test Strips, The Container Holds 35 Strips that Test for Six Elements in All Pools and Spa Types, 35 Piece Count
HTH Pool Care 6-Way Test Strips, The Container Holds 35 Strips that Test for Six Elements in All Pools and Spa Types, 35 Piece Count
4284.4 out of 5 Stars. 428 reviews
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Extech Exstik Ph Meter $124.00
$12400
current price $124.00Extech Exstik Ph Meter
11 out of 5 Stars. 1 reviews
PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water, Hydroponics, RO System, Aquarium, Swimming$$Tools $30.47
$3047
current price $30.47PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water, Hydroponics, RO System, Aquarium, Swimming$$Tools
Accurate pH Monitoring System Effortless Setup for Water Chemistry Management $23.54
$2354
current price $23.54Accurate pH Monitoring System Effortless Setup for Water Chemistry Management
10 In 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester For Aquariums Pools ,Multifunctional $55.77
$5577
current price $55.7710 In 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester For Aquariums Pools ,Multifunctional
Hydrofast - A2S Digital Water Tester, 4 in 1 TDS/ EC Temperature(C/F), 0~9990ppm Reading, Ideal for Drinking Water, RO/DI System - White + Black $19.99
$1999
current price $19.99Hydrofast - A2S Digital Water Tester, 4 in 1 TDS/ EC Temperature(C/F), 0~9990ppm Reading, Ideal for Drinking Water, RO/DI System - White + Black
OBOSOE Digital pH Meter,Water Quality Tester,Water pH Tester With 0-14pH Measurement Range,Suitable For Drinking Water,Hydroponics, Aquarium,Swimming Pool. High Precision 0.01pH Pen Tester From $9.40
From$940
OBOSOE Digital pH Meter,Water Quality Tester,Water pH Tester With 0-14pH Measurement Range,Suitable For Drinking Water,Hydroponics, Aquarium,Swimming Pool. High Precision 0.01pH Pen Tester
124.5 out of 5 Stars. 12 reviews
All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water,Hydroponics,Aquariums,Pools,and More
All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water,Hydroponics,Aquariums,Pools,and More
MUSICOZY pH Meter for Water, 5 in 1 pH Temp EC TDS Meter for Hydroponics PPM Water Tester Digital, pH Tester Digital with ATC, TDS pH Meter for Water, Wine, Pool, Hydroponics and Aquariums $19.99
$1999
current price $19.99MUSICOZY pH Meter for Water, 5 in 1 pH Temp EC TDS Meter for Hydroponics PPM Water Tester Digital, pH Tester Digital with ATC, TDS pH Meter for Water, Wine, Pool, Hydroponics and Aquariums
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Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White $119.95
$11995
current price $119.95Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White
PH Meter, 0.01 High Accuracy Pocket Size with 0-14 PH Testing Range PH Tester, Digital PH Meter for Water, Water Meter for Hydroponics, Drinking Water and Pool
PH Meter, 0.01 High Accuracy Pocket Size with 0-14 PH Testing Range PH Tester, Digital PH Meter for Water, Water Meter for Hydroponics, Drinking Water and Pool
"BcTlyInc HI Checker pH Tester with Ph Electrode and Batteries, . to . pH, +/-. pH Accuracy, . pH Resolution" $60.58
$6058
current price $60.58"BcTlyInc HI Checker pH Tester with Ph Electrode and Batteries, . to . pH, +/-. pH Accuracy, . pH Resolution"
Hanna Instruments HI981030 GroLine Soil pH Tester $129.99
$12999
current price $129.99Hanna Instruments HI981030 GroLine Soil pH Tester
4In1 Digital PH Meter with PH/TDS/EC/Temp Function for Hydroponics,For Nutrients Growing, Indoor Garden,Brewing, Pool, $22.38
$2238
current price $22.384In1 Digital PH Meter with PH/TDS/EC/Temp Function for Hydroponics,For Nutrients Growing, Indoor Garden,Brewing, Pool,
10 In 1 Water Quality Tester PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp PH Meter Tester For Aquariums Pools ,Multifunctional $68.74
$6874
current price $68.7410 In 1 Water Quality Tester PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp PH Meter Tester For Aquariums Pools ,Multifunctional
Professional Food PH Meter High Accuracy Sensor Temp Acidity Tester for Brewing Cheese Meat Canning Dough Soil PH Meter $20.78
$2078
current price $20.78Professional Food PH Meter High Accuracy Sensor Temp Acidity Tester for Brewing Cheese Meat Canning Dough Soil PH Meter
34.7 out of 5 Stars. 3 reviews
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Tds Meter Digital Water Tester,Accurate and Reliable,TDS Meter$9.55current price $9.55PH Meter,High Accuracy Pocket Size PH Tester,Water Quality Tester Digital PH Meter for Water,PH Reader PH Tester Digital PH Pen Water Meter for Hydroponics,Drinking,Pool
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