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E. Coli Water Test Kit. Twin Pack. E. Coli 0157 water test 15 minute. 2 test boxes

Clinical Care Biotech

✓

Testers

E. Coli Water Test Kit. Twin Pack. E. Coli 0157 water test 15 minute. 2 test boxes

$58.99

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Glewi

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Glewi Digital pH Tester 5 in 1 Water Quality Meter for Koi Pond Spa Brewing with Salinity Temp Probe 118mm

$64.99

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10-in-1 Water Quality Tester, PH/CL2/TDS/EC/ORP/S.G/H2/SALT/MΩ/TEMP Meter

3T6B

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10-in-1 Water Quality Tester, PH/CL2/TDS/EC/ORP/S.G/H2/SALT/MΩ/TEMP Meter

★★★★★5

$140.99

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One Step

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One Step Water Bacteria Test Kit

★★★★★3

$29.99

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BEAZOOM

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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

$59.99

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Pool Testing Strips - 100 Sheets 7 iņ 1 Chlorine PH Pool TestStrips | Spa Test Strips for SwimmingPool Hot Tub Water Quality Testing Kit Accurate Quick Water Analysis

Generic

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Testers

Pool Testing Strips - 100 Sheets 7 iņ 1 Chlorine PH Pool TestStrips | Spa Test Strips for SwimmingPool Hot Tub Water Quality Testing Kit Accurate Quick Water Analysis

$16.99

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

JunTiJian

✓

Testers

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

$23.99

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

JunTiJian

✓

Testers

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

$20.99

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

JunTiJian

✓

Testers

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

$23.99

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

JunTiJian

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Testers

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

$24.99

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Water Quality Tester 5 in 1 Professional with Back Light, Digital PH Meter

Insoma

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Water Quality Tester 5 in 1 Professional with Back Light, Digital PH Meter

★★★★★5

$59.99

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Safe Swim

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

$52.99

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Safe Swim

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

$32.99

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Tub Test Strips, Clear Water Spa & Hot Tub Test Strips, 50 Count - 3-in-1 Accurately Measures Free Chlorine, PH & Total Alkalinity for Pools, Spas, Hot Tubs.

LarkFull

✓

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Tub Test Strips, Clear Water Spa & Hot Tub Test Strips, 50 Count - 3-in-1 Accurately Measures Free Chlorine, PH & Total Alkalinity for Pools, Spas, Hot Tubs.

★★★★★5

$26.99

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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

XURISON

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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

$29.99

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GLFLOW

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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

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2PCSHot Tub Test Strips,Pool Water Testing Kit for Chlorine/Bromine,3 in 1Test Strips for pH,Total Alkalinity,Easy and Accurate for Swimming Pools & Spas (100PCS)

LOUJINGREO

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Testers

2PCSHot Tub Test Strips,Pool Water Testing Kit for Chlorine/Bromine,3 in 1Test Strips for pH,Total Alkalinity,Easy and Accurate for Swimming Pools & Spas (100PCS)

$18.99

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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

Bordfly

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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

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Crystals

✓

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Crystals 450Pcs 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

$32.99

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150 Pool Test Strips, 5 in 1 Pool & Hot Tub Test Strips, Chlorine Test Strips, PH Test Strips for Total Hardness, Chlorine, Bromine, pH and Total Alkalinity

Nozerix

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150 Pool Test Strips, 5 in 1 Pool & Hot Tub Test Strips, Chlorine Test Strips, PH Test Strips for Total Hardness, Chlorine, Bromine, pH and Total Alkalinity

★★★★★5

$21.99

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JOVIA

✓

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JOVIA PH Pen Digital Water Quality Analyzer 0.01 High Precision 0-14 Measurement Range Large Backlit LCD Display Portable Tester Drinking Water Pool Aquarium Hydroponics Laboratory Uses

$20.99

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Crystals

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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

$21.99

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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

Liravonte

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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

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TDS Meter Digital Water Tester 2026 Upgraded 4-in-1 Water Quality

Guline

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TDS Meter Digital Water Tester 2026 Upgraded 4-in-1 Water Quality

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Featured products

E. Coli Water Test Kit. Twin Pack. E. Coli 0157 water test 15 minute. 2 test boxes

Glewi Digital pH Tester 5 in 1 Water Quality Meter for Koi Pond Spa Brewing with Salinity Temp Probe 118mm

10-in-1 Water Quality Tester, PH/CL2/TDS/EC/ORP/S.G/H2/SALT/MΩ/TEMP Meter

One Step Water Bacteria Test Kit

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

Pool Testing Strips - 100 Sheets 7 iņ 1 Chlorine PH Pool TestStrips | Spa Test Strips for SwimmingPool Hot Tub Water Quality Testing Kit Accurate Quick Water Analysis

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

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

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

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

Water Quality Tester 5 in 1 Professional with Back Light, Digital PH Meter

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

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

Tub Test Strips, Clear Water Spa & Hot Tub Test Strips, 50 Count - 3-in-1 Accurately Measures Free Chlorine, PH & Total Alkalinity for Pools, Spas, Hot Tubs.

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

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)

2PCSHot Tub Test Strips,Pool Water Testing Kit for Chlorine/Bromine,3 in 1Test Strips for pH,Total Alkalinity,Easy and Accurate for Swimming Pools & Spas (100PCS)

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

Crystals 450Pcs 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

150 Pool Test Strips, 5 in 1 Pool & Hot Tub Test Strips, Chlorine Test Strips, PH Test Strips for Total Hardness, Chlorine, Bromine, pH and Total Alkalinity

JOVIA PH Pen Digital Water Quality Analyzer 0.01 High Precision 0-14 Measurement Range Large Backlit LCD Display Portable Tester Drinking Water Pool Aquarium Hydroponics Laboratory Uses

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

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

TDS Meter Digital Water Tester 2026 Upgraded 4-in-1 Water Quality