Testers

Erigathe

✓

Testers

Water Test Strips

★★★★★5

$61.99

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5 in 1 Hot Tub Test Strips, 50 Counts Water Test Strips Quickly Detect pH, Total Alkalinity, Total Hardness, Free Chlorine and Bromine, for Pool and Spa, Aquarium & Drinking Water Testing

Erigathe

✓

Testers

5 in 1 Hot Tub Test Strips, 50 Counts Water Test Strips Quickly Detect pH, Total Alkalinity, Total Hardness, Free Chlorine and Bromine, for Pool and Spa, Aquarium & Drinking Water Testing

★★★★★5

$18.99

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Ueomul

✓

Testers

Ueomul pH Chlorine Meter 7 IN 1, Tester pH Chlorine (FAC) TDS EC SALT ORP & Temperature with ATC, IP67 Waterproof, 0.01pH High Precision Water Quality Tester for Pool & Spa, Drinking Water, Hydroponic

★★★★★4.1

$169.99

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PH Test Liquid Drops - Ph Indicator Solution Water Testing Kits, Multipurpose Meter For Water, Waters Testing Kits | Universal Tester For Aquarium Fish Tank Pool Hot Tub Spa And Brewing Process

Generic

✓

Testers

PH Test Liquid Drops - Ph Indicator Solution Water Testing Kits, Multipurpose Meter For Water, Waters Testing Kits | Universal Tester For Aquarium Fish Tank Pool Hot Tub Spa And Brewing Process

$17.99

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KIMIBST

✓

Testers

KIMIBST Pool Test Strips: 200CT 7-Way Professional Hot Tub & Spa Test Kit for Bromine pH Total Chlorine & Hardness Cyanuric Acid and More Accurate Testing Swimming Pool Water

★★★★★4.4

$32.99

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Digital TDS Water Meter - 0-9990 ppm Water Quality Tester for Drinking Water, Aquariums,Farming, Pools | RO-RODI Systems

Netupett

✓

Testers

Digital TDS Water Meter - 0-9990 ppm Water Quality Tester for Drinking Water, Aquariums,Farming, Pools | RO-RODI Systems

★★★★★4.2

$26.99

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Water Quality Tester TDS Meter Digital Water Quality Tester Watertesting Kit 0-9990ppm Measuring Range 1% Readout Accuracy LCD Display Fast Detection Portable Design Watertester Household Outdoor Use

Doukesh

✓

Testers

Water Quality Tester TDS Meter Digital Water Quality Tester Watertesting Kit 0-9990ppm Measuring Range 1% Readout Accuracy LCD Display Fast Detection Portable Design Watertester Household Outdoor Use

★★★★★4.5

$15.99

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7-in-1 Hot Tub Test Strips, 175 Strips Pool Test Strips, Quick Water Testing for Swimming Pool & Hot Tub, Measures Chlorine, Bromine, pH, Alkalinity, Hardness, Water testing kit with Easy-Read Results

Nacerlary

✓

Testers

7-in-1 Hot Tub Test Strips, 175 Strips Pool Test Strips, Quick Water Testing for Swimming Pool & Hot Tub, Measures Chlorine, Bromine, pH, Alkalinity, Hardness, Water testing kit with Easy-Read Results

★★★★★4.7

$36.99

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TEST ALL WATER

✓

Testers

Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & a Replaceable Probe By Test All Water

$316.99

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TEST ALL WATER

✓

Testers

Milwaukee MA9016 Cleaning Solution for pH/ORP Electrodes By Test All Water

$80.99

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Intex

✓

Testers

Intex Water Analyzer 28607

★★★★★3.2

$414.99

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TEST ALL WATER

✓

Testers

Milwaukee CD611 Digital Conductivity Pen (EC) By Test All Water

$170.99

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HydroHawk

✓

Testers

HydroHawk Legionella Swab Test for Water Outlets - Pack of 5 Single-Use Legionella Testing Kit for Legionella pneumophila SG1. Water Testing Kits for Pools, Hot Tubs, Shower Heads, Taps & Hoses

★★★★★4.4

$400.99

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VANSUKY

✓

Testers

VANSUKY 50 Copper Test Strips – High Sensitivity 0–2 mg/L with 8 Scales – Accurate Water Testing for Drinking Water, Aquarium, Pool, Industry & Lab

★★★★★5

$42.99

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WEILAOK

✓

Testers

WEILAOK Water Hardness Measuring, Water Hardness Test, Water Hardness Measuring, German Grade Hardness (°dH) Quick and Easy Measurement for up to 200 Measurements, Titration Solution Water Hardness

★★★★★3.4

$60.99

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100 Pcs 5 in 1 Hot Tub Testing Strips, Water Quality Test Strips for Hot Tubs Swimming Pools & Spas, Accurate pH, Chlorine, Bromine, Total Alkalinity & Hardness Detection, Quick & Easy to Use

Zquqwa

✓

Testers

100 Pcs 5 in 1 Hot Tub Testing Strips, Water Quality Test Strips for Hot Tubs Swimming Pools & Spas, Accurate pH, Chlorine, Bromine, Total Alkalinity & Hardness Detection, Quick & Easy to Use

★★★★★3.4

$25.99

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HTS Perfect Balance Hot Tub 3 Way Test Strips, 150 Strips Pool and Spa Test for pH,Total Alkalinity,Free Chlorine and Bromine, Accurate 3 in 1 Pool Water Testing Strips

HTS

✓

Testers

HTS Perfect Balance Hot Tub 3 Way Test Strips, 150 Strips Pool and Spa Test for pH,Total Alkalinity,Free Chlorine and Bromine, Accurate 3 in 1 Pool Water Testing Strips

★★★★★5

$28.99

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AQUANEXO

✓

Testers

AQUANEXO DPD1 Rapid Pool Tablets, Testtablets for Chlorine, DPD 1, selectable: 60x or 120x, Pooltesters, Measuring, Whirlpool Accessories (120)

★★★★★3.4

$30.99

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AQUANEXO

✓

Testers

AQUANEXO DPD1 Rapid Pool Tablets, Testtablets for Chlorine, DPD 1, selectable: 60x or 120x, Pooltesters, Measuring, Whirlpool Accessories (60)

★★★★★3.4

$29.99

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WEILAOK

✓

Testers

WEILAOK Leak Detection Dye, Drain Dye, Leak Detection Tracing Dye, Fluorescent UV Dye for all Pool, Spa, & Hot Tub Types with Syringe, 100ml

★★★★★4.5

$41.99

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3 in 1 TDS Meter Digital Water Tester, TDS EC and Temperature (℃/℉) Meter, Water Quality Tester Portable, 0-9999 PPM for Drinking Tap Well Aquarium Water, Purifier and Filter Check

Ksywydu

✓

Testers

3 in 1 TDS Meter Digital Water Tester, TDS EC and Temperature (℃/℉) Meter, Water Quality Tester Portable, 0-9999 PPM for Drinking Tap Well Aquarium Water, Purifier and Filter Check

★★★★★5

$19.99

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CNMTCCO

✓

Testers

CNMTCCO 7-in-1 Hot Tub Test Strips, 100 Count Pool Water Testing Kit for pH, Chlorine, Alkalinity, Bromine & Hardness, Quick Dip Test for Swimming Pools, Spas and Inflatable Tubs

★★★★★4.9

$29.99

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Phosphate Test Kit, Pool Phosphate Test Kit, 50 Counts Phosphate Test Strips for Hot Tub and Swimming Pool, Quick & Reliable Water Testing with Colorimetric Tube

HOVIRAN

✓

Testers

Phosphate Test Kit, Pool Phosphate Test Kit, 50 Counts Phosphate Test Strips for Hot Tub and Swimming Pool, Quick & Reliable Water Testing with Colorimetric Tube

★★★★★4.4

$37.99

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Pool Water Test Kit for Chlorine pH, Instant Results in 60s with OTO Red Phenol, Range Indicator (1.0-1.5ppm Cl / 7.2-7.6pH)

YUEHISY

✓

Testers

Pool Water Test Kit for Chlorine pH, Instant Results in 60s with OTO Red Phenol, Range Indicator (1.0-1.5ppm Cl / 7.2-7.6pH)

$25.99

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Featured products

Water Test Strips

5 in 1 Hot Tub Test Strips, 50 Counts Water Test Strips Quickly Detect pH, Total Alkalinity, Total Hardness, Free Chlorine and Bromine, for Pool and Spa, Aquarium & Drinking Water Testing

Ueomul pH Chlorine Meter 7 IN 1, Tester pH Chlorine (FAC) TDS EC SALT ORP & Temperature with ATC, IP67 Waterproof, 0.01pH High Precision Water Quality Tester for Pool & Spa, Drinking Water, Hydroponic

PH Test Liquid Drops - Ph Indicator Solution Water Testing Kits, Multipurpose Meter For Water, Waters Testing Kits | Universal Tester For Aquarium Fish Tank Pool Hot Tub Spa And Brewing Process

KIMIBST Pool Test Strips: 200CT 7-Way Professional Hot Tub & Spa Test Kit for Bromine pH Total Chlorine & Hardness Cyanuric Acid and More Accurate Testing Swimming Pool Water

Digital TDS Water Meter - 0-9990 ppm Water Quality Tester for Drinking Water, Aquariums,Farming, Pools | RO-RODI Systems

Water Quality Tester TDS Meter Digital Water Quality Tester Watertesting Kit 0-9990ppm Measuring Range 1% Readout Accuracy LCD Display Fast Detection Portable Design Watertester Household Outdoor Use

7-in-1 Hot Tub Test Strips, 175 Strips Pool Test Strips, Quick Water Testing for Swimming Pool & Hot Tub, Measures Chlorine, Bromine, pH, Alkalinity, Hardness, Water testing kit with Easy-Read Results

Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & a Replaceable Probe By Test All Water

Milwaukee MA9016 Cleaning Solution for pH/ORP Electrodes By Test All Water

Intex Water Analyzer 28607

Milwaukee CD611 Digital Conductivity Pen (EC) By Test All Water

HydroHawk Legionella Swab Test for Water Outlets - Pack of 5 Single-Use Legionella Testing Kit for Legionella pneumophila SG1. Water Testing Kits for Pools, Hot Tubs, Shower Heads, Taps & Hoses

VANSUKY 50 Copper Test Strips – High Sensitivity 0–2 mg/L with 8 Scales – Accurate Water Testing for Drinking Water, Aquarium, Pool, Industry & Lab

WEILAOK Water Hardness Measuring, Water Hardness Test, Water Hardness Measuring, German Grade Hardness (°dH) Quick and Easy Measurement for up to 200 Measurements, Titration Solution Water Hardness

100 Pcs 5 in 1 Hot Tub Testing Strips, Water Quality Test Strips for Hot Tubs Swimming Pools & Spas, Accurate pH, Chlorine, Bromine, Total Alkalinity & Hardness Detection, Quick & Easy to Use

HTS Perfect Balance Hot Tub 3 Way Test Strips, 150 Strips Pool and Spa Test for pH,Total Alkalinity,Free Chlorine and Bromine, Accurate 3 in 1 Pool Water Testing Strips

AQUANEXO DPD1 Rapid Pool Tablets, Testtablets for Chlorine, DPD 1, selectable: 60x or 120x, Pooltesters, Measuring, Whirlpool Accessories (120)

AQUANEXO DPD1 Rapid Pool Tablets, Testtablets for Chlorine, DPD 1, selectable: 60x or 120x, Pooltesters, Measuring, Whirlpool Accessories (60)

WEILAOK Leak Detection Dye, Drain Dye, Leak Detection Tracing Dye, Fluorescent UV Dye for all Pool, Spa, & Hot Tub Types with Syringe, 100ml

3 in 1 TDS Meter Digital Water Tester, TDS EC and Temperature (℃/℉) Meter, Water Quality Tester Portable, 0-9999 PPM for Drinking Tap Well Aquarium Water, Purifier and Filter Check

CNMTCCO 7-in-1 Hot Tub Test Strips, 100 Count Pool Water Testing Kit for pH, Chlorine, Alkalinity, Bromine & Hardness, Quick Dip Test for Swimming Pools, Spas and Inflatable Tubs

Phosphate Test Kit, Pool Phosphate Test Kit, 50 Counts Phosphate Test Strips for Hot Tub and Swimming Pool, Quick & Reliable Water Testing with Colorimetric Tube

Pool Water Test Kit for Chlorine pH, Instant Results in 60s with OTO Red Phenol, Range Indicator (1.0-1.5ppm Cl / 7.2-7.6pH)