Testers

TEST ALL WATER

✓

Testers

Testallwater - DPD No.4 Rapid Dissolve Tablets | Accurate Combined Chlorine Measurement | For Pooltester Range | Active Oxygen 0.0-15.0 mg/l O₂ | 50 Pack

$53.99

View

TEST ALL WATER

✓

Testers

Testallwater - DPD No.1 Rapid Tablets | Fast-Dissolving Chlorine Testing | Use with Pooltester Range | Accurate for Pools, Spas, Drinking Water | Pack of 50 Tablets

$54.99

View

TEST ALL WATER

✓

Testers

Testallwater - Phenol Red Rapid Tablets | Quick-Dissolving for Fast Results | Accurate pH Testing 6.5-8.4 | Ideal for Pools & Spas | 50 Pack

★★★★★3

$38.99

View

Generic

✓

Testers

Generic - TTC/TTC Dipslides | Convenient Aerobic Bacteria Enumeration | Flexible Paddle | Ideal for Water Industry, Pool & Spa | Red Colonies Display, Red, Plastic

$80.99

View

CENPEK

⏳

Testers

CENPEK PC102 Swimming Pool Water Quality Tester Hot Spring Pool Aquarium Portable PH Meter Residual Chlorine Detector

$41.99

View

Quick 15 Minute Water Bacteria Test (2 Tests) for swimming pools, spas, lakes, rivers and open water

SimplexHealth

⏳

Testers

Quick 15 Minute Water Bacteria Test (2 Tests) for swimming pools, spas, lakes, rivers and open water

$44.99

View

CENPEK

⏳

Testers

CENPEK 100 PCS Pool Test Strips, 7 IN 1 Swimming Pool Spa Hot Tubs Water Test Strip for Total Chlorine, Free Chlorine, Bromine, pH, Total Alkalinity, Cyanuric Acid, Total Hardness

$42.99

View

CENPEK

✓

Testers

CENPEK Water Quality Tester ORP‑169F Water Quality Tester ORP Negative Potential Portable Water Quality Test Pen Meter

$62.99

View

CENPEK

⏳

Testers

CENPEK TDS EC Tester Meter, 3-in-1 Professional Water Quality Test Meter LCD Digital TDS & EC Temperature Meter Testing Tool for Drinking Water, Aquariums, Hydroponics, Swimming Pools, Spas

$38.99

View

DollaTek

✓

Testers

DollaTek 3 in 1 Portable LCD Digital PH Meter TDS EC Tester Pen Water Purity PPM Filter with 4 Different Modes Water Level Tester

$20.99

View

100 Pcs Hot Tub Testing Strips,6 in 1 Kit Pool Testing Strips and Spa Chemicals Swimming for Rapid Measurement of Residual Chlorine in Water PH Total Hardness Alkalinity for Tubs Free Bromine Ttorage

foris

⏳

Testers

100 Pcs Hot Tub Testing Strips,6 in 1 Kit Pool Testing Strips and Spa Chemicals Swimming for Rapid Measurement of Residual Chlorine in Water PH Total Hardness Alkalinity for Tubs Free Bromine Ttorage

$23.99

View

Tiardey

⏳

Testers

Tiardey 6 in 1 Pool Test Strips for Water Chemical Testing，50 Strips Water Tesing Kit for Swimming Pool/Spa/Hot Tub, Accurate Total Hardness,Free Chlorine,Total Chlorine,Alkalinity and pH

$20.99

View

Water Quality Tester Water Quality Purity Monitor Aquarium Swimming Pool Meter Tester Digital LCD TDS

Tyenaza

✓

Testers

Water Quality Tester Water Quality Purity Monitor Aquarium Swimming Pool Meter Tester Digital LCD TDS

$28.99

View

Hot Tub Test Strips, 50 Strips for Hot Tubs, Spa, Pool Water Testing Kit Accurate 3 in 1 Quick Dip Tester 3 in 1 for pH,Total Alkalinity,Free Chlorine and Bromine

SHATCHI

⏳

Testers

Hot Tub Test Strips, 50 Strips for Hot Tubs, Spa, Pool Water Testing Kit Accurate 3 in 1 Quick Dip Tester 3 in 1 for pH,Total Alkalinity,Free Chlorine and Bromine

$18.99

View

Hot Tub Test Strips, 150 Strips for Hot Tubs, Spa, Pool Water Testing Kit Accurate 3 in 1 Quick Dip Tester 3 in 1 for pH,Total Alkalinity,Free Chlorine and Bromine

SHATCHI

⏳

Testers

Hot Tub Test Strips, 150 Strips for Hot Tubs, Spa, Pool Water Testing Kit Accurate 3 in 1 Quick Dip Tester 3 in 1 for pH,Total Alkalinity,Free Chlorine and Bromine

$27.99

View

150 Dip 3-in-1 Test Strips Blue Sparkle for Ground Pool Spa and Hot Tubs Treatment to Measures PH, Alkaline and Chlorine

SHATCHI

⏳

Testers

150 Dip 3-in-1 Test Strips Blue Sparkle for Ground Pool Spa and Hot Tubs Treatment to Measures PH, Alkaline and Chlorine

$47.99

View

XULIN 100 Pcs Hot Tub PH Test Strips,6 in 1 Test Strips Kit-Swimming Pool Spa Chemicals Test Strips for Rapid Measurement of Residual Chlorine in Water PH Total Hardness Alkalinity for Hot Tubs

Jc.upin

⏳

Testers

XULIN 100 Pcs Hot Tub PH Test Strips,6 in 1 Test Strips Kit-Swimming Pool Spa Chemicals Test Strips for Rapid Measurement of Residual Chlorine in Water PH Total Hardness Alkalinity for Hot Tubs

$26.99

View

Water Quality Tester, 0‑9999ppm TDS/EC Tester Portable Water Quality Monitor Test Pen Multifunction Testing Instrumen for Aquarium, Swimming Pool, Drinking Water, Indoor Outdoor

ZJchao

⏳

Testers

Water Quality Tester, 0‑9999ppm TDS/EC Tester Portable Water Quality Monitor Test Pen Multifunction Testing Instrumen for Aquarium, Swimming Pool, Drinking Water, Indoor Outdoor

$24.99

View

CANADIAN SPA CO.

⏳

Testers

Canadian Spa Company Test Strips for Hot Tubs and Spas (50) Pk

$36.99

View

DF006 Water Test Strips Upgrade 7 in 1, PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid, Total Hardness, Bromine, Swimming Pool Hot Tub Spa Aquarium Water Quality Test, 100 Strips

AMTAST

✓

Testers

DF006 Water Test Strips Upgrade 7 in 1, PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid, Total Hardness, Bromine, Swimming Pool Hot Tub Spa Aquarium Water Quality Test, 100 Strips

$64.99

View

Swimmingpool Water Quality Tester, Handheld Electric PH Meter+Chlorine Level Tester Water Quality Monitor, for Swimming Pool,Aquarium,Spa Water Quality Checker

Boaby

✓

Testers

Swimmingpool Water Quality Tester, Handheld Electric PH Meter+Chlorine Level Tester Water Quality Monitor, for Swimming Pool,Aquarium,Spa Water Quality Checker

$35.99

View

Digital Salinity Meter, Waterproof Pen Type Salinity & Temp Meter Measurement Water Quality Temp Test Meter, 0.00ppt-9.99ppt, 10.0ppt-50ppt Salinity Guage for Salt Water Pool and Koi Fish Pond

Heayzoki

⏳

Testers

Digital Salinity Meter, Waterproof Pen Type Salinity & Temp Meter Measurement Water Quality Temp Test Meter, 0.00ppt-9.99ppt, 10.0ppt-50ppt Salinity Guage for Salt Water Pool and Koi Fish Pond

$75.99

View

Bestgle

⏳

Testers

Bestgle Digital TDS Meter Temp PPM Tester Water Quality Testing Tool for Drinking Water Aquariums Pool

$18.99

View

Chlorine Tester PH Meter, 2 in 1 Digital Water Quality Analysis Monitor for Swimming Pool, Spa, Drinking Water

Haofy

⏳

Testers

Chlorine Tester PH Meter, 2 in 1 Digital Water Quality Analysis Monitor for Swimming Pool, Spa, Drinking Water

$46.99

View

Featured products

Testallwater - DPD No.4 Rapid Dissolve Tablets | Accurate Combined Chlorine Measurement | For Pooltester Range | Active Oxygen 0.0-15.0 mg/l O₂ | 50 Pack

Testallwater - DPD No.1 Rapid Tablets | Fast-Dissolving Chlorine Testing | Use with Pooltester Range | Accurate for Pools, Spas, Drinking Water | Pack of 50 Tablets

Testallwater - Phenol Red Rapid Tablets | Quick-Dissolving for Fast Results | Accurate pH Testing 6.5-8.4 | Ideal for Pools & Spas | 50 Pack

Generic - TTC/TTC Dipslides | Convenient Aerobic Bacteria Enumeration | Flexible Paddle | Ideal for Water Industry, Pool & Spa | Red Colonies Display, Red, Plastic

CENPEK PC102 Swimming Pool Water Quality Tester Hot Spring Pool Aquarium Portable PH Meter Residual Chlorine Detector

Quick 15 Minute Water Bacteria Test (2 Tests) for swimming pools, spas, lakes, rivers and open water

CENPEK 100 PCS Pool Test Strips, 7 IN 1 Swimming Pool Spa Hot Tubs Water Test Strip for Total Chlorine, Free Chlorine, Bromine, pH, Total Alkalinity, Cyanuric Acid, Total Hardness

CENPEK Water Quality Tester ORP‑169F Water Quality Tester ORP Negative Potential Portable Water Quality Test Pen Meter

CENPEK TDS EC Tester Meter, 3-in-1 Professional Water Quality Test Meter LCD Digital TDS & EC Temperature Meter Testing Tool for Drinking Water, Aquariums, Hydroponics, Swimming Pools, Spas

DollaTek 3 in 1 Portable LCD Digital PH Meter TDS EC Tester Pen Water Purity PPM Filter with 4 Different Modes Water Level Tester

100 Pcs Hot Tub Testing Strips,6 in 1 Kit Pool Testing Strips and Spa Chemicals Swimming for Rapid Measurement of Residual Chlorine in Water PH Total Hardness Alkalinity for Tubs Free Bromine Ttorage

Tiardey 6 in 1 Pool Test Strips for Water Chemical Testing，50 Strips Water Tesing Kit for Swimming Pool/Spa/Hot Tub, Accurate Total Hardness,Free Chlorine,Total Chlorine,Alkalinity and pH

Water Quality Tester Water Quality Purity Monitor Aquarium Swimming Pool Meter Tester Digital LCD TDS

Hot Tub Test Strips, 50 Strips for Hot Tubs, Spa, Pool Water Testing Kit Accurate 3 in 1 Quick Dip Tester 3 in 1 for pH,Total Alkalinity,Free Chlorine and Bromine

Hot Tub Test Strips, 150 Strips for Hot Tubs, Spa, Pool Water Testing Kit Accurate 3 in 1 Quick Dip Tester 3 in 1 for pH,Total Alkalinity,Free Chlorine and Bromine

150 Dip 3-in-1 Test Strips Blue Sparkle for Ground Pool Spa and Hot Tubs Treatment to Measures PH, Alkaline and Chlorine

XULIN 100 Pcs Hot Tub PH Test Strips,6 in 1 Test Strips Kit-Swimming Pool Spa Chemicals Test Strips for Rapid Measurement of Residual Chlorine in Water PH Total Hardness Alkalinity for Hot Tubs

Water Quality Tester, 0‑9999ppm TDS/EC Tester Portable Water Quality Monitor Test Pen Multifunction Testing Instrumen for Aquarium, Swimming Pool, Drinking Water, Indoor Outdoor

Canadian Spa Company Test Strips for Hot Tubs and Spas (50) Pk

DF006 Water Test Strips Upgrade 7 in 1, PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid, Total Hardness, Bromine, Swimming Pool Hot Tub Spa Aquarium Water Quality Test, 100 Strips

Swimmingpool Water Quality Tester, Handheld Electric PH Meter+Chlorine Level Tester Water Quality Monitor, for Swimming Pool,Aquarium,Spa Water Quality Checker

Digital Salinity Meter, Waterproof Pen Type Salinity & Temp Meter Measurement Water Quality Temp Test Meter, 0.00ppt-9.99ppt, 10.0ppt-50ppt Salinity Guage for Salt Water Pool and Koi Fish Pond

Bestgle Digital TDS Meter Temp PPM Tester Water Quality Testing Tool for Drinking Water Aquariums Pool

Chlorine Tester PH Meter, 2 in 1 Digital Water Quality Analysis Monitor for Swimming Pool, Spa, Drinking Water