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  1. 200/100/50pcs Chlorine Dip Test Strips Swimming Pool Hot Tub SPA PH Tester Paper

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Scope of application: Swimming pool water, hot spring water. Total chlorine test range: 0 ~ 10 ppm.

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  2. 4 Pieces , Ph Test strip universal paper ph1-14

    Ph Tester universal paper ph1-14.

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  3. 1-14PH Test Paper Testing Detect Human Body PH Range 1~14 Qualified Product

    8- 11 for alkalinity. Litmus paper changes color within 15 seconds to match pH scale color chart. -14PH test paper. 【Product grade】Qualified product. Scale to 14 Due to the difference of different monitors, the picture may not reflect the actual color of the item.

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  4. New 200PCS Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm. Test at both ends of pool twice a week for best results.

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  5. 2 Pack Ph 1-14 Test Indicator 160 Strips Litmus Paper Water Soil Testing Kit

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  6. PH Test Strips, 4 types to choose from, Indicator Paper, - UK Stock

    For testing acidity or alkalinity of a liquid. When pulled from the sleeving. (Indicator Paper).

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  7. 200Pcs 6 in 1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Water test in swimming pool or spa pool. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm.

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  8. 5M pH Test Paper Roll: 0-14 Range, Suitable for Various Applications

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The test strip color changes must be matched with the pH scale color chart within about 15 seconds. PH range: 1-14. With distinct color PH scale for result comparisons.

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