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

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. This pool ph test kit has anti-VC interference ability,The accuracy is 96%. 7 in 1 swimming pool test paper:.

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  2. Litmus pH 1 to 14 Test Paper Book 160 Strips Universal Full Range Strips Tester

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. compare the color change of the paper to find out the acidity level of your testing subject. The test sdivip color changes must be matched with the pH scale color chart within about 15 seconds.

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  3. PH Test Strips 3.8-5.4 Indicator Paper Lab Litmus Tester Alkaline Acid 10pcs

    NOTE:This paper does not apply to buffer solutions and very weak acid-base solution concentration lower than 0.01%.Store in a cool, dry place away from sunlight. Instructions: 1. Take one strip and dip it into the solution you would like to measure. The color of your strip will change immediately.2. Quickly match this color against the color chart on the inside of package to obtain the pH in 15 seconds. Do not wait or let the strip dry!3. The number next to the color on the chart is your pH. The pH scale ranges from 1 (very acidic) to 14 (very basic), 7 is neutral. Description:Testing Range: 3.8-5.4 PrecisionOverall Size: 55x9mm / 2x0.35 inch (L*W)pH test strips are widely applied to industrial chemical testing, science education, lab use, drinking water, swimming pool, spa, aquarium, and classroom analytical chemistry.

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  4. 100pcs Dip Test Strips Chlorine Hot Tub SPA Swimming Pool PH Tester Papers

    Scope of application: Swimming pool water, hot spring water. Compare the color of the test strip under good light to obtain a reading. Do not put wet fingers into the bottle. Do not touch or contaminate the detection block on the test strip with your hands.

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  5. 160x Universal pH Litmus Paper Indicator Strips Test Mushroom Substrate pH 1-14

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.

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  6. Ph Test Strips Ph 1-14 4. Urine/Saliva/Litmus Paper Sticks 45mmx7mm (LxW)

    Urine/Saliva/Litmus Paper Sticks 45mmx7mm (LxW). 8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.

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  7. 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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  8. 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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