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  1. 7 in 1 Swimming Pool PH Paper Test Strips Industrial Testing Meter

  2. 100PCS Chlorine Dip Test Strips Swimming Pool Water SPA Hot Tub PH Tester Paper-

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

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  3. 7 in 1 Swimming Pool PH Paper Test Strips Household Testing Meter

  4. 6 IN 1 Chlorine Dip Test Strips 50PCS Hot Tub SPA Swimming Pool PH Tester Paper

    Chlorine free pool doesn't need stabilizer (Cyanuaric Acid), so the Total Chlorine and Cyanuaric Acid pads colors won't match. Total Alkalinity Test Range: 0~240ppm. Our test strip doesn't test for Salt and TDS.

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  5. 50~200x 6 IN1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

    Chlorine free pool doesn't need stabilizer (Cyanuaric Acid), so the Total Chlorine and Cyanuaric Acid pads colors won't match. Total Alkalinity Test Range: 0~240ppm. Our test strip doesn't test for Salt and TDS.

    eBay

  6. 1-14 Laboratory Paper Test Strips Litmus Tester PH Indicator High Quality

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.

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  7. 2 Pack Ph 1-14 Test Indicator 160 Strips Litmus Paper Water Soil Testing Kit

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  8. Acidic/Alkaline PH Test Strip Easy To Read Results With Indicator Paper

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 1 - 3 indicates a very acidic substance. 4 - 6 indicates an acidic substance. press the testing strip to the object or liquid you are testing.

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  9. 1-14 Laboratory Paper Test Strips Full Range PH Indicator High Quality

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.

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  10. 80 Pcs PH Indicator Test Strip 1-14 Laboratory Paper Litmus Tester Urine Saliva

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.

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