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Testers

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BEAZOOM 7-in-1 Pool Water Quality Monitor for Tuya, Digital Tester pH Salinity ORP CL Conductivity Temp, Floating Meter A

Testers

BEAZOOM 7-in-1 Pool Water Quality Monitor for Tuya, Digital Tester pH Salinity ORP CL Conductivity Temp, Floating Meter A

$64.99

Safe Swim Meter Reagent Calcium Hardness (For Use With Safe Swim Digital Photometer ONLY)

Testers

Safe Swim Meter Reagent Calcium Hardness (For Use With Safe Swim Digital Photometer ONLY)

$52.99

Safe Swim Test Strips For Swimming Pools & Hot Tubs (Safe Swim Salt Test)

Testers

Safe Swim Test Strips For Swimming Pools & Hot Tubs (Safe Swim Salt Test)

$32.99

5-in-1 Hot Tub Test Strips,100 Pcs Pool Test Strips for PH,Chlorine & Clearwater,Pool Water Hardness Testing Kit,Clear Water Dip Tester Strip for Lazy Spa,Bromine,Total Alkalinity & Cyanuric Acid

Testers

5-in-1 Hot Tub Test Strips,100 Pcs Pool Test Strips for PH,Chlorine & Clearwater,Pool Water Hardness Testing Kit,Clear Water Dip Tester Strip for Lazy Spa,Bromine,Total Alkalinity & Cyanuric Acid

★★★★★3.7

$26.99

GLFLOW Smart 7-in-1 Digital Pool Water Quality Monitor for pH Salinity ORP Conductivity Temperature for TUYA App for Swimming Pool Drinking Water Aquarium Saltwater and Spa(A)

Testers

GLFLOW Smart 7-in-1 Digital Pool Water Quality Monitor for pH Salinity ORP Conductivity Temperature for TUYA App for Swimming Pool Drinking Water Aquarium Saltwater and Spa(A)

$56.99

Replacement Pressure Gauge for Intex Sand Filter Pumps, Stainless Steel Pressure Gauge with Double Scale and O-Ring, Robust Accessories for Pool Technology and Filter Systems

Testers

Replacement Pressure Gauge for Intex Sand Filter Pumps, Stainless Steel Pressure Gauge with Double Scale and O-Ring, Robust Accessories for Pool Technology and Filter Systems

$24.99

Crystals 150pcs Hot Tub Test Strips 3 in 1 Pool & Spa Water Testing Kit – Chlorine, pH & Alkalinity Dip Test Strips for Swimming Pools, Hot Tubs, Jacuzzis & Easy Water Quality Control

Testers

Crystals 150pcs Hot Tub Test Strips 3 in 1 Pool & Spa Water Testing Kit – Chlorine, pH & Alkalinity Dip Test Strips for Swimming Pools, Hot Tubs, Jacuzzis & Easy Water Quality Control

★★★★★5

$20.99

2026 Upgraded TDS Meter Digital Water Tester, 4-in-1 TDS/EC/Temperature (°C/°F) Meter, 0-9999 ppm Water Quality Tester for Drinking Water, Aquarium, Hydroponics, RO/RODI System & Pool

Testers

2026 Upgraded TDS Meter Digital Water Tester, 4-in-1 TDS/EC/Temperature (°C/°F) Meter, 0-9999 ppm Water Quality Tester for Drinking Water, Aquarium, Hydroponics, RO/RODI System & Pool

$20.99

7 in 1 Hot Tub Test Strips, pool test strips for Water Hardness Chlorine Bromine pH Total Alkalinity and Cyanuric Acid All In 1 Testing Strip for Pool, SPA, Hot Tub & More (100pcs)

Testers

7 in 1 Hot Tub Test Strips, pool test strips for Water Hardness Chlorine Bromine pH Total Alkalinity and Cyanuric Acid All In 1 Testing Strip for Pool, SPA, Hot Tub & More (100pcs)

★★★★★4.8

$28.99

7 In 1 Smart Pool Water Tester for Hot Tubs Wireless Bluetooth WiFi Real Time Monitoring PH ORP EC TDS Salt Temperature Chlorine Analysis Solar Powered Floating Design

Testers

7 In 1 Smart Pool Water Tester for Hot Tubs Wireless Bluetooth WiFi Real Time Monitoring PH ORP EC TDS Salt Temperature Chlorine Analysis Solar Powered Floating Design

$594.99

Digital Water Tester, TDS EC Meter, 4 in 1 Tester with Backlit ±2% Accuracy Portable Water Meter Pen for Drinking Water Aquarium Hydroponics Pool Conductivity Temperature Display Auto Hold Function

Testers

Digital Water Tester, TDS EC Meter, 4 in 1 Tester with Backlit ±2% Accuracy Portable Water Meter Pen for Drinking Water Aquarium Hydroponics Pool Conductivity Temperature Display Auto Hold Function

$19.99

5 in 1 Hot Tub Test Strips, 50 Strips Easy Accurate Water Tester, Test for pH, Alkalinity, Free Chlorine(Bromine), Total Chlorine &Hardness for Water Pool & Hot Tub & Spa & Swimming Pools

Testers

5 in 1 Hot Tub Test Strips, 50 Strips Easy Accurate Water Tester, Test for pH, Alkalinity, Free Chlorine(Bromine), Total Chlorine &Hardness for Water Pool & Hot Tub & Spa & Swimming Pools

★★★★★4.2

$18.99

4-in-1 Hot Tub Test Strips,100 Pcs Pool Test Strips for PH,Chlorine & Clearwater,Pool Water Hardness Testing Kit,Clear Water Dip Tester Strip for Lazy Spa,Bromine,Total Alkalinity & Cyanuric Acid

Testers

4-in-1 Hot Tub Test Strips,100 Pcs Pool Test Strips for PH,Chlorine & Clearwater,Pool Water Hardness Testing Kit,Clear Water Dip Tester Strip for Lazy Spa,Bromine,Total Alkalinity & Cyanuric Acid

$29.99

3-in-1 Hot Tub Test Strips,100 Pcs Pool Test Strips for PH,Chlorine & Clearwater,Pool Water Hardness Testing Kit,Clear Water Dip Tester Strip for Lazy Spa,Bromine,Total Alkalinity & Cyanuric Acid

Testers

3-in-1 Hot Tub Test Strips,100 Pcs Pool Test Strips for PH,Chlorine & Clearwater,Pool Water Hardness Testing Kit,Clear Water Dip Tester Strip for Lazy Spa,Bromine,Total Alkalinity & Cyanuric Acid

$29.99

5 in 1 Hot Tub Test Strips, Accurate Water Hardness Test Kit for pH, Free Chlorine/Bromine, Total Alkalinity, Cyanuric Acid and Total Hardness, Easy to Read Water Quality - 50 Count

Testers

5 in 1 Hot Tub Test Strips, Accurate Water Hardness Test Kit for pH, Free Chlorine/Bromine, Total Alkalinity, Cyanuric Acid and Total Hardness, Easy to Read Water Quality - 50 Count

★★★★★4.4

$23.99

7-Way Pool Test Strips 150 Count, Portable Water Testing Kit for Pools

Testers

7-Way Pool Test Strips 150 Count, Portable Water Testing Kit for Pools

★★★★★4.7

$26.99

TDS Meter Digital Water Tester for Drinking Water, 4 in 1 TDS Water Quality Tester, Portable 0-9990ppm TDS EC & Temp(°C,°F) Meter Tester, Testing for Drinking Water, RO/DI System

ARCHER LIFE HALL

Testers

TDS Meter Digital Water Tester for Drinking Water, 4 in 1 TDS Water Quality Tester, Portable 0-9990ppm TDS EC & Temp(°C,°F) Meter Tester, Testing for Drinking Water, RO/DI System

★★★★★5

$26.99

TDS Meter Digital Water Tester, 3-in-1 TDS EC & Temperature Meter, Portable 0-9990 ppm Water Quality Tester for Drinking Water, RO/DI System, Aquariums, Hydroponics, Pools, Tap Water Testing

Testers

TDS Meter Digital Water Tester, 3-in-1 TDS EC & Temperature Meter, Portable 0-9990 ppm Water Quality Tester for Drinking Water, RO/DI System, Aquariums, Hydroponics, Pools, Tap Water Testing

★★★★★5

$15.99

Pinafresa Water Quality Purity Detector 4in1 PH ORP H2 Temperature Hydrogen-Rich Meter Portable Pen for Aquarium Pool Pond Hydroponics

Testers

Pinafresa Water Quality Purity Detector 4in1 PH ORP H2 Temperature Hydrogen-Rich Meter Portable Pen for Aquarium Pool Pond Hydroponics

$53.99

Dr.Deutsch Hot Tub Test Strips 150 Count, 3-in-1 Pool & Spa Water Test Kit for pH, Total Alkalinity, Free Chlorine & Bromine, Accurate Pool Test Strips for Swimming Pool & Spa, CE, FDA & UKCA

Testers

Dr.Deutsch Hot Tub Test Strips 150 Count, 3-in-1 Pool & Spa Water Test Kit for pH, Total Alkalinity, Free Chlorine & Bromine, Accurate Pool Test Strips for Swimming Pool & Spa, CE, FDA & UKCA

★★★★★4.6

$32.99

1 Pcs Hot Tub Test Strips, Pool and Spa Test for pH, Accurate 3 In 1 Pool Water Testing Kit, Ph Chlorine Alkaline Hardness Testing Strip, Clearwater Strip Quality Tester Paper, Free Chlorine and Bromi

Testers

1 Pcs Hot Tub Test Strips, Pool and Spa Test for pH, Accurate 3 In 1 Pool Water Testing Kit, Ph Chlorine Alkaline Hardness Testing Strip, Clearwater Strip Quality Tester Paper, Free Chlorine and Bromi

$20.99

Szjinbao 7-Way Pool Test Strips, 50 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine

Testers

Szjinbao 7-Way Pool Test Strips, 50 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine

$23.99

100 Pack 5 in 1 Hot Tub Testing Strips, Water Quality Test Strips for Swimming Pool and Spa Water Testing Accurate pH Chlorine Bromine Total Alkalinity Detection Dip Water Quality Tester Easy Use

Testers

100 Pack 5 in 1 Hot Tub Testing Strips, Water Quality Test Strips for Swimming Pool and Spa Water Testing Accurate pH Chlorine Bromine Total Alkalinity Detection Dip Water Quality Tester Easy Use

★★★★★5

$26.99

VivaTest Hot Tub Test Strips and Pool Test Strips, 100 Pack 3-in-1 Water Testing Kit for Free Chlorine, pH and Total Alkalinity, Swimming Pools and Spas

Testers

VivaTest Hot Tub Test Strips and Pool Test Strips, 100 Pack 3-in-1 Water Testing Kit for Free Chlorine, pH and Total Alkalinity, Swimming Pools and Spas

★★★★★4.8

$26.99