Ph System(223)
Uses item details. Price when purchased online
VEVOR pH Meter, 0-14 pH Range, IP68 Waterproof Probe, 3-Point Auto Calibration, Portable Tester Kit with Calibration Powder Packets, Temperature Probe, Carrying Case, for Drinking Water, Hydroponics $234.99
Sponsored
$23499
current price $234.99VEVOR pH Meter, 0-14 pH Range, IP68 Waterproof Probe, 3-Point Auto Calibration, Portable Tester Kit with Calibration Powder Packets, Temperature Probe, Carrying Case, for Drinking Water, Hydroponics
Deal All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc $10.98
Deal
Sponsored
$1098
current price $10.98All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
4.9 out of 5 stars
Best seller 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 $21.59 Was $23.99
Best seller
Sponsored
Now$2159
current price Now $21.59, Was $23.99$23.99
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
4.7 out of 5 stars
Best seller Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $10.79
Best seller
Sponsored
$1079
current price $10.79Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
4.2 out of 5 stars
General Hydroponics pH Control Kit for a Balanced Nutrient Solution $18.89 Was $23.99
Now$1889
current price Now $18.89, Was $23.99$23.99
General Hydroponics pH Control Kit for a Balanced Nutrient Solution
4.8 out of 5 stars
Best seller Vivoo Vaginal pH Test Strips for Women 10 Count At-Home BV & Yeast Infection Test Kit | 30-Second Results | Easy Color Chart | pH Tracking with Free App | Bacterial Vaginosis Screening $4.98
Best seller
$498
current price $4.98Vivoo Vaginal pH Test Strips for Women 10 Count At-Home BV & Yeast Infection Test Kit | 30-Second Results | Easy Color Chart | pH Tracking with Free App | Bacterial Vaginosis Screening
4.5 out of 5 stars
NFTIGB PH Calibration Solution Kit 50ML PH 7.00 4.00 10.01 Buffers with 30ML Probe Protective Liquid for Accurate Water Quality Testing and Sensor Maintenance, Multicolor $23.35
$2335
current price $23.35NFTIGB PH Calibration Solution Kit 50ML PH 7.00 4.00 10.01 Buffers with 30ML Probe Protective Liquid for Accurate Water Quality Testing and Sensor Maintenance, Multicolor
Deal Easy Home Vaginal pH Test Strips - 10 for Bacterial Vaginosis & pH Balance From $11.99
Deal
2 options
Available in additional 2 optionsFrom$1199
Easy Home Vaginal pH Test Strips - 10 for Bacterial Vaginosis & pH Balance
4.7 out of 5 stars
Pelvana Vaginal pH Test Strips - 50 Tests for Infection Detection, FSA/HSA Eligible From $9.95
2 options
Available in additional 2 optionsFrom$995
Pelvana Vaginal pH Test Strips - 50 Tests for Infection Detection, FSA/HSA Eligible
4.2 out of 5 stars
General Hydroponics pH Test Kit 1 oz $11.16 $3.72/ea
$1116
current price $11.16$3.72/ea
General Hydroponics pH Test Kit 1 oz
4.3 out of 5 stars
5 in 1 Tester Pool Salt Tester & pH Meter with Temperature, Digital Meter and PH Tester for Water, PH/TDS/EC/Salinity/Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $19.99
Sponsored
$1999
current price $19.995 in 1 Tester Pool Salt Tester & pH Meter with Temperature, Digital Meter and PH Tester for Water, PH/TDS/EC/Salinity/Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
3.8 out of 5 stars
pH Meter for Water 4 in 1 pH Temp EC TDS Meter for Hydroponics PPM and Water Tester Digital pH Meter for Nutrients Growing Hydroponics Gardening Laboratory Household Drinking $14.99
Sponsored
$1499
current price $14.99pH Meter for Water 4 in 1 pH Temp EC TDS Meter for Hydroponics PPM and Water Tester Digital pH Meter for Nutrients Growing Hydroponics Gardening Laboratory Household Drinking
3.6 out of 5 stars
pH Tests - Monitor Acid-Alkaline Balance + Minerals (Calcium, Potassium, Magnesium) $13.95
$1395
current price $13.95pH Tests - Monitor Acid-Alkaline Balance + Minerals (Calcium, Potassium, Magnesium)
4.3 out of 5 stars
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 $23.99 Was $29.99
Now$2399
current price Now $23.99, Was $29.99$29.99
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
3.5 out of 5 stars
BIMZUC SMART SENSOR Digital pH Meter Waterproof Water Quality Tester, High Precision Acidimeter with ATC, LCD Color Display & Backlight for Drinking Water, Pool, Hydroponics, Aquarium (7.08x1.77 in) $46.52
$4652
current price $46.52BIMZUC SMART SENSOR Digital pH Meter Waterproof Water Quality Tester, High Precision Acidimeter with ATC, LCD Color Display & Backlight for Drinking Water, Pool, Hydroponics, Aquarium (7.08x1.77 in)
Clearance! Soovim Digital pH Meter Pen, High Precision Tester for Water Aquarium Hydroponics, Yellow 15.5x3.1cm $6.99
$699
current price $6.99Clearance! Soovim Digital pH Meter Pen, High Precision Tester for Water Aquarium Hydroponics, Yellow 15.5x3.1cm
Dawn Sci 4,7,10 pH Balance Liquid Kit with 125ml, 4 Count, 4 Pack $17.99
$1799
current price $17.99Dawn Sci 4,7,10 pH Balance Liquid Kit with 125ml, 4 Count, 4 Pack
3.7 out of 5 stars
PH Meter, TDS PPM Meter, 4-in-1 Soil PH Tester, PH/EC Digital Kit, 3 Pack for Home Water, Hydroponics, Botanical Garden Soil and Aquarium Use $20.69
$2069
current price $20.69PH Meter, TDS PPM Meter, 4-in-1 Soil PH Tester, PH/EC Digital Kit, 3 Pack for Home Water, Hydroponics, Botanical Garden Soil and Aquarium Use
3.3 out of 5 stars
2San Home Water Test, 8-in-1 Water Testing for Bacteria, Lead, Iron, Copper, pH, Chlorine, Hardness, Nitrites, Easy At-Home Use for Tap & Well Water, Fast, Reliable Results Without a Lab $15.79
$1579
current price $15.792San Home Water Test, 8-in-1 Water Testing for Bacteria, Lead, Iron, Copper, pH, Chlorine, Hardness, Nitrites, Easy At-Home Use for Tap & Well Water, Fast, Reliable Results Without a Lab
4.8 out of 5 stars
Homena Wireless Pool Water Monitor with Custom Settings and Real Time Data Viewing From $26.88
2 options
Available in additional 2 optionsFrom$2688
Homena Wireless Pool Water Monitor with Custom Settings and Real Time Data Viewing
TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water $11.59
Sponsored
$1159
current price $11.59TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water
4.1 out of 5 stars
Wiher Pool Salt Tester, 8 in 1 Pool Salt Tester for Water PH / TDS / EC / SALT / TEMP/CL/S.G/ ORP Meter with ATC, for Household Drinking Water Pool Spas Fish Tank $38.00
Sponsored
$3800
current price $38.00Wiher Pool Salt Tester, 8 in 1 Pool Salt Tester for Water PH / TDS / EC / SALT / TEMP/CL/S.G/ ORP Meter with ATC, for Household Drinking Water Pool Spas Fish Tank
Universal pH Test Strips 0-14, Quick Reliable pH Testing Kit for Food, Soap Making & Kombucha, 100ct Litmus Paper pH Test Strips for Liquids, Drinking Water, Aquarium, Pool, Hot Tub, Spa $8.99
$899
current price $8.99Universal pH Test Strips 0-14, Quick Reliable pH Testing Kit for Food, Soap Making & Kombucha, 100ct Litmus Paper pH Test Strips for Liquids, Drinking Water, Aquarium, Pool, Hot Tub, Spa
4.2 out of 5 stars
NFTIGB 2 in 1 Digital pH and Temperature Meter, 0-14 pH Range, Automatic 2 Point Calibration Household Water Tester Pen $38.45
$3845
current price $38.45NFTIGB 2 in 1 Digital pH and Temperature Meter, 0-14 pH Range, Automatic 2 Point Calibration Household Water Tester Pen
Accurate pH Monitoring System Effortless Setup for Water Chemistry Management $27.91
$2791
current price $27.91Accurate pH Monitoring System Effortless Setup for Water Chemistry Management
Biom Probiotics Feminine pH Balance Home Test Kit for Women, 2 Count $9.45 $4.73/count
$945
current price $9.45$4.73/count
Biom Probiotics Feminine pH Balance Home Test Kit for Women, 2 Count
3.6 out of 5 stars
Solivara Water Testing Kits For Drinking Water 4 In 1 Tds Meter With Temperature For Tap Well Pool Hydroponics Aquarium Ro Di System (White,6.3in) $7.19 Was $7.99
Now$719
current price Now $7.19, Was $7.99$7.99
Solivara Water Testing Kits For Drinking Water 4 In 1 Tds Meter With Temperature For Tap Well Pool Hydroponics Aquarium Ro Di System (White,6.3in)
Digital PH Meter with ATC, High Accuracy Digital Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Hydroponics, Pool and Aquarium $14.99
$1499
current price $14.99Digital PH Meter with ATC, High Accuracy Digital Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Hydroponics, Pool and Aquarium
3 out of 5 stars
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 $19.99 Was $24.36
Now$1999
current price Now $19.99, Was $24.36$24.36
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
5 out of 5 stars
Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS $297.00
$29700
current price $297.00Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS
4.4 out of 5 stars
Reduced price 2 Pack Digital TDS Meter Water Quality Tester 0-9999 PPM EC Temperature Meter Portable Pen Accurate Drinking Water Test Tool For RO Aquarium Pool Hydroponics with LCD Display $12.59 Was $13.99
Reduced price
Sponsored
Now$1259
current price Now $12.59, Was $13.99$13.99
2 Pack Digital TDS Meter Water Quality Tester 0-9999 PPM EC Temperature Meter Portable Pen Accurate Drinking Water Test Tool For RO Aquarium Pool Hydroponics with LCD Display
2.7 out of 5 stars
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
4 out of 5 stars
Wifi 3-in-1 Aquarium PH Controller EC Temperature Meter Water Monitoring System Water Quality Tester ,Easy to Use $150.84 Was $182.91
Now$15084
current price Now $150.84, Was $182.91$182.91
Wifi 3-in-1 Aquarium PH Controller EC Temperature Meter Water Monitoring System Water Quality Tester ,Easy to Use
Aiper HydroComm Pro Smart Pool Monitor for Scuba X1 Series, Digital Pool & Spa Water Tester for TDS, EC, pH, Temp & ORP $349.98 Was $379.98
Now$34998
current price Now $349.98, Was $379.98$379.98
Aiper HydroComm Pro Smart Pool Monitor for Scuba X1 Series, Digital Pool & Spa Water Tester for TDS, EC, pH, Temp & ORP
4.8 out of 5 stars
Industrial Test Systems 481104 WaterWorks pH Check $10.99
$1099
current price $10.99Industrial Test Systems 481104 WaterWorks pH Check
General Hydroponics pH Test Indicator, 8 fl oz $16.99
$1699
current price $16.99General Hydroponics pH Test Indicator, 8 fl oz
4.5 out of 5 stars
BANIRO Reliable PH Meter Calibration Powder Set, 3 Types of PH Buffer Powder, Measure Calibration Solution for Precise Results $7.46
$746
current price $7.46BANIRO Reliable PH Meter Calibration Powder Set, 3 Types of PH Buffer Powder, Measure Calibration Solution for Precise Results
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy $30.81
$3081
current price $30.81Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy
2 out of 5 stars
BANIRO 2026 New 15Pcs Ph Meter Buffer Solution Powder for Precise Calibration Easy Supplies for Lab,Aquarium,Hydroponics,Pool,Water Testing $7.89
$789
current price $7.89BANIRO 2026 New 15Pcs Ph Meter Buffer Solution Powder for Precise Calibration Easy Supplies for Lab,Aquarium,Hydroponics,Pool,Water Testing
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy $29.99
$2999
current price $29.99Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy
Shinysix WiFi Water Quality Analyzer with 5in1 Monitor for PH, TDS, S.G, EC, and Temperature-Ideal for Drinking Water, Aquarium, and Swimming Pool $47.32
$4732
current price $47.32Shinysix WiFi Water Quality Analyzer with 5in1 Monitor for PH, TDS, S.G, EC, and Temperature-Ideal for Drinking Water, Aquarium, and Swimming Pool
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
$1037
current price $10.37Amerteer 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
Best seller Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank $26.99
Best seller
$2699
current price $26.99Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank
4.3 out of 5 stars
KFFKFF Portable pH Meter with Multi-Parameter Measurement, Accurate pH/EC/TDS Testing, Waterproof IP68 Probe, Compact Tester Kit with Calibration Powders, VA Display, Ideal for Water Quality Analysis $114.99
$11499
current price $114.99KFFKFF Portable pH Meter with Multi-Parameter Measurement, Accurate pH/EC/TDS Testing, Waterproof IP68 Probe, Compact Tester Kit with Calibration Powders, VA Display, Ideal for Water Quality Analysis
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 $69.99
$6999
current price $69.99AC 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
4.8 out of 5 stars
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 $29.99
$2999
current price $29.99Pool 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
Industrial Test Systems 486303 Exact pH Plus Master Kit with pH & ORP $396.32
$39632
current price $396.32Industrial Test Systems 486303 Exact pH Plus Master Kit with pH & ORP
Industrial Test Systems Test Strips,pH,2-12,PK30 480104 $21.93
$2193
current price $21.93Industrial Test Systems Test Strips,pH,2-12,PK30 480104
M Buder Water Quality Tester PH EC TDS Auto Temp Compensation Digital Monitor Meter for Pool Laboratory (9.45x3.15x1.97 in / 24.0x8.0x5.0 cm) $32.82
$3282
current price $32.82M Buder Water Quality Tester PH EC TDS Auto Temp Compensation Digital Monitor Meter for Pool Laboratory (9.45x3.15x1.97 in / 24.0x8.0x5.0 cm)
Electronic Water Tester, Drinking Water RO System Hydroponic Aquarium, Features Unique Temperature Compensation, High Accuracy pH Meter, and Total Dissolved Solids $18.99
$1899
current price $18.99Electronic Water Tester, Drinking Water RO System Hydroponic Aquarium, Features Unique Temperature Compensation, High Accuracy pH Meter, and Total Dissolved Solids
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