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  1. Clearwater Hot Tub, Pool and Spa Test Strips x 25 - 3 in 1 - Measures Chlorine,

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  2. 100 Pcs Hot Tub Testing Strips,6 in 1 Kit Pool Testing Strips and Spa Chemicals

    🏊[ Application ] Suitable for drinking water, aquariums, swimming pools and spa, sewage and other liquids. It can also be used to test hot tub water, it will work normally. 🏊[ 6 IN 1 Test Strip ] The ph test strip is newly upgraded, with 6 in 1, which can simultaneously test six kinds of PH, total chlorine, free chlorine, total alkalinity, cyanuric acid, and total hardness.

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  3. Clearwater Hot Tub, Pool and Spa Test Strips x 50-3 in 1 - Measures...

    Manufacturer: Clearwater. Unit count: 1.0 count. Test type: ["Chlorine Test,pH Test,Total Alkalinity"]. pH range: 0-14. Part number: CH0043.

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  4. Clearwater Hot Tub, Pool and Spa Test Strips x 50-3 in 1 - Measures Chlorine

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  5. Relax 50 x Water Test Strips for Pools Spa and Hot Tubs - Expiry Date 2026

    Full instructions on the reverse of the bottle. Expiry Date 2026. Free Chlorine. For pools this should be between 1 and 3 ppm (parts per million) Spas and Hot Tubs between 3 and 5 ppm. To keep your spa / hot tub at its best, test the water before each use of your pool or hot tubs.

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  6. AquaChek Test Strip Chlorine Hot Tub Swimming Pool Spa Tester 50 Strips

    Test for Free Chlorine, pH Alkalinity and Stabilizers.

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  7. Hot Tub, Pool and Spa Test Strips X 50-3 in 1 - Measures Chlorine, PH and Tot...

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  8. Clearwater Hot Tub Pool and Spa Test Strips X 50-3 in 1 - Measures Chlorine P...

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