Testers

TEST ALL WATER

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Testers

TEST ALL WATER - Lovibond Water Sampler | Precise Sample Collection | Ideal for Pools, Spas, Labs & Hot Tubs | Eco-Friendly | 250 mL Bottle | Compatible with Lovibond Equipment

$329.99

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TEST ALL WATER

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Testers

TEST ALL WATER - Alkalinity-M Photometer Tablets | Accurate Alkalinity Measurement for Pools, Spas & Hot Tubs | Compatible with PoolLab 1.0 & 2.0 | Helps Maintain pH Levels

$101.99

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TEST ALL WATER

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Testers

Test All Water – PoolLab 2.0 Photometer | Digital Meter & Water Testing Device for Swimming Pools & Hot Tubs - Wi-Fi & Bluetooth Enabled | Test pH & Chlorine Plus 24 Parameters | Triple Cuvette, IP68

$520.99

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YARNOW

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Testers

YARNOW 50pcs Pool Test Strips for Goldfish Tank Spa Hot Tub Ph Test Paper Storage Bottle

$35.99

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TEST ALL WATER

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Testers

Test All Water: HI-723-25 Reagents for HI-723 Chromium HR Checker By Hanna Instruments

$66.99

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Relax

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Testers

Relax Chlorine 3 in 1 Test Strips - 50 strips by Relax

$36.99

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Relax

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Testers

Relax Chlorine 3 Way Test Strip x 50 by Relax

$36.99

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Pawfly

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Testers

Pawfly Phosphate Test Strips, 50 Strips Phosphate Test Kit for Pool Spa & Hot Tub Easy Accurate Swimming Pool Test Strips Koi Pond Water Testing Kit Freshwater and Saltwater Aquarium Test Strips

$42.99

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Water Test Kit - Lead in Drinking Water Test Kit | Lead Water Test Kit with Lead Strip | Dropper Pipette | Home Testing for Lead in City Water or Well Water, Detection to 15PPB

Generic

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Testers

Water Test Kit - Lead in Drinking Water Test Kit | Lead Water Test Kit with Lead Strip | Dropper Pipette | Home Testing for Lead in City Water or Well Water, Detection to 15PPB

$27.99

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CANADIAN SPA CO.

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Testers

CANADIAN SPA CO. Hot Tub Test Strips, 150 Strips Pool and Spa Test for pH, Total Alkalinity, Free Chlorine and Bromine, Precise 3 in 1 Pool Water Testing Kit

$59.99

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Pawfly

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Testers

Pawfly Water Hardness Test Kits, 200 Strips Hard Water Test Kit for Drinking Water Tap Water Well Pool Spa Water Softener Quick Accurate Water Quality Testing Kit for Calcium & Magnesium (0-425 ppm)

$22.99

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Hydrosense

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Testers

Hydrosense One Ultra Rapid Legionella Industrial Water Test (5 tests) – 100CFU

$1214.99

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TDS Meter Ph Tester for Water TDS Meter Digital Water Tester Ph Meter for Water Water Tester 0-9990 ppm Measurement Range Suitable for Home Drinking Water Swimming Pools Hydroponics Aquariums

MADGININE

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Testers

TDS Meter Ph Tester for Water TDS Meter Digital Water Tester Ph Meter for Water Water Tester 0-9990 ppm Measurement Range Suitable for Home Drinking Water Swimming Pools Hydroponics Aquariums

$15.99

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Hot Tub Test Strips 7-In-1 (150Pcs)| Ph Test Strips For Swimming Pool & Spa | Pool Water Testing Kit For Chlorine, Bromine, Ph, Hardness, More - All In 1 Swimming Pool Test Strips

HLLNWB

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Testers

Hot Tub Test Strips 7-In-1 (150Pcs)| Ph Test Strips For Swimming Pool & Spa | Pool Water Testing Kit For Chlorine, Bromine, Ph, Hardness, More - All In 1 Swimming Pool Test Strips

$23.99

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AQUANEXO

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Testers

AQUANEXO 25x or 50x water tester drinking water 16-in-1 values, pH test strips, water hardness test strips, measuring water hardness, pH value test strips, drinking water test strips (25)

★★★★★4.1

$26.99

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AQUANEXO

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Testers

AQUANEXO 100 Pool Test Strips Pool & Spa 7-in-1, Pool Accessories, Pool Tester for Paddling Pools, Water Tester for Pools, Pool Tester pH and Chlorine, Bromine, Alkalinity, CYA, Total Hardness

★★★★★4.3

$34.99

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Ejoyous

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Testers

Ejoyous Water Testing Meter, PC‑102 CL2 PH Tester Swimming Pool Spa Water Quality Analyzer with Probe Long Cable

$109.99

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150 Strips Water Test Kit for Freshwater, 6 in 1 Pool Test Strips, Pond Fish Tank Test Strips Testing Total Hardness, Free Chlorine, Cyanuric Acid, pH and more

REBECASKYENS

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Testers

150 Strips Water Test Kit for Freshwater, 6 in 1 Pool Test Strips, Pond Fish Tank Test Strips Testing Total Hardness, Free Chlorine, Cyanuric Acid, pH and more

$24.99

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UIUZMAR

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Testers

UIUZMAR pH Salt Tester for Aquarium, Digital Salinity Tester for Salt Water Swimming Pool, Pond Water 5 in 1 pH TDS EC Salt Temp Meter for Koi Fish, Marine Tank, Hydroponic, Spa, Drinking Water

$90.99

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Hanna HI98107 Checker - Handheld Waterproof Pocket pH Tester with 0.1 Resolution pHep - Great for Aquariums, Pools, & Ponds.

WLR Industries

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Testers

Hanna HI98107 Checker - Handheld Waterproof Pocket pH Tester with 0.1 Resolution pHep - Great for Aquariums, Pools, & Ponds.

★★★★★4.2

$285.99

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Digital PH Meter, PH Tester Digital 0.01pH High Accuracy 0-14 PH Measurement Range Portable Water Quality Testing PH Meter with LCD Display for Household Drinking Water, Pool, Hydroponics, Aquarium

Qtksceadlnce

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Testers

Digital PH Meter, PH Tester Digital 0.01pH High Accuracy 0-14 PH Measurement Range Portable Water Quality Testing PH Meter with LCD Display for Household Drinking Water, Pool, Hydroponics, Aquarium

$20.99

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TDS Meter Digital Water Tester Quality Meter LCD Pen with 0-9990 PPM Measurement Range 2% Reading Accuracy Portable for Swimming Pools Household Tap Drinking Water Aquarium Aquaculture Hospitals

tinshow

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Testers

TDS Meter Digital Water Tester Quality Meter LCD Pen with 0-9990 PPM Measurement Range 2% Reading Accuracy Portable for Swimming Pools Household Tap Drinking Water Aquarium Aquaculture Hospitals

$13.99

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Cuteefun

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Testers

Cuteefun Digital pH Meter, 5 In 1 Pond Water Testing Kit, Rechargeable pH/Tds/Ec/Salinity/Temp Meter, VA Backlit Display, 0.01 Resolution High Accuracy pH Tester, for Drinking Water, Aquarium, Pool

$45.99

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Pawfly

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Testers

Pawfly TDS Meter 5 in 1 Digital Water Tester, pH Salinity TDS EC & Temperature Meter with pH Buffer Powder, Water Quality Tester for Swimming Pool Drinking Water Aquarium Hot Tub Saltwater & Spa

$71.99

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Featured products

TEST ALL WATER - Lovibond Water Sampler | Precise Sample Collection | Ideal for Pools, Spas, Labs & Hot Tubs | Eco-Friendly | 250 mL Bottle | Compatible with Lovibond Equipment

TEST ALL WATER - Alkalinity-M Photometer Tablets | Accurate Alkalinity Measurement for Pools, Spas & Hot Tubs | Compatible with PoolLab 1.0 & 2.0 | Helps Maintain pH Levels

Test All Water – PoolLab 2.0 Photometer | Digital Meter & Water Testing Device for Swimming Pools & Hot Tubs - Wi-Fi & Bluetooth Enabled | Test pH & Chlorine Plus 24 Parameters | Triple Cuvette, IP68

YARNOW 50pcs Pool Test Strips for Goldfish Tank Spa Hot Tub Ph Test Paper Storage Bottle

Test All Water: HI-723-25 Reagents for HI-723 Chromium HR Checker By Hanna Instruments

Relax Chlorine 3 in 1 Test Strips - 50 strips by Relax

Relax Chlorine 3 Way Test Strip x 50 by Relax

Pawfly Phosphate Test Strips, 50 Strips Phosphate Test Kit for Pool Spa & Hot Tub Easy Accurate Swimming Pool Test Strips Koi Pond Water Testing Kit Freshwater and Saltwater Aquarium Test Strips

Water Test Kit - Lead in Drinking Water Test Kit | Lead Water Test Kit with Lead Strip | Dropper Pipette | Home Testing for Lead in City Water or Well Water, Detection to 15PPB

CANADIAN SPA CO. Hot Tub Test Strips, 150 Strips Pool and Spa Test for pH, Total Alkalinity, Free Chlorine and Bromine, Precise 3 in 1 Pool Water Testing Kit

Pawfly Water Hardness Test Kits, 200 Strips Hard Water Test Kit for Drinking Water Tap Water Well Pool Spa Water Softener Quick Accurate Water Quality Testing Kit for Calcium & Magnesium (0-425 ppm)

Hydrosense One Ultra Rapid Legionella Industrial Water Test (5 tests) – 100CFU

TDS Meter Ph Tester for Water TDS Meter Digital Water Tester Ph Meter for Water Water Tester 0-9990 ppm Measurement Range Suitable for Home Drinking Water Swimming Pools Hydroponics Aquariums

Hot Tub Test Strips 7-In-1 (150Pcs)| Ph Test Strips For Swimming Pool & Spa | Pool Water Testing Kit For Chlorine, Bromine, Ph, Hardness, More - All In 1 Swimming Pool Test Strips

AQUANEXO 25x or 50x water tester drinking water 16-in-1 values, pH test strips, water hardness test strips, measuring water hardness, pH value test strips, drinking water test strips (25)

AQUANEXO 100 Pool Test Strips Pool & Spa 7-in-1, Pool Accessories, Pool Tester for Paddling Pools, Water Tester for Pools, Pool Tester pH and Chlorine, Bromine, Alkalinity, CYA, Total Hardness

Ejoyous Water Testing Meter, PC‑102 CL2 PH Tester Swimming Pool Spa Water Quality Analyzer with Probe Long Cable

150 Strips Water Test Kit for Freshwater, 6 in 1 Pool Test Strips, Pond Fish Tank Test Strips Testing Total Hardness, Free Chlorine, Cyanuric Acid, pH and more

UIUZMAR pH Salt Tester for Aquarium, Digital Salinity Tester for Salt Water Swimming Pool, Pond Water 5 in 1 pH TDS EC Salt Temp Meter for Koi Fish, Marine Tank, Hydroponic, Spa, Drinking Water

Hanna HI98107 Checker - Handheld Waterproof Pocket pH Tester with 0.1 Resolution pHep - Great for Aquariums, Pools, & Ponds.

Digital PH Meter, PH Tester Digital 0.01pH High Accuracy 0-14 PH Measurement Range Portable Water Quality Testing PH Meter with LCD Display for Household Drinking Water, Pool, Hydroponics, Aquarium

TDS Meter Digital Water Tester Quality Meter LCD Pen with 0-9990 PPM Measurement Range 2% Reading Accuracy Portable for Swimming Pools Household Tap Drinking Water Aquarium Aquaculture Hospitals

Cuteefun Digital pH Meter, 5 In 1 Pond Water Testing Kit, Rechargeable pH/Tds/Ec/Salinity/Temp Meter, VA Backlit Display, 0.01 Resolution High Accuracy pH Tester, for Drinking Water, Aquarium, Pool

Pawfly TDS Meter 5 in 1 Digital Water Tester, pH Salinity TDS EC & Temperature Meter with pH Buffer Powder, Water Quality Tester for Swimming Pool Drinking Water Aquarium Hot Tub Saltwater & Spa