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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Ph Tester universal paper ph1-14.
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PH 0-14: The scale reads from 0 to 14, 0-6 indicates an acidic substance, 7 indicates neutral, 8-14 indicates alkalinity, The test strip color changes must be matched with the pH scale color chart within about 15 seconds.
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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 - 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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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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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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Test range for total alkalinity: 0 ~ 240 ppm. 💦This pool ph test kit has anti-VC interference ability，The accuracy is 96%. Residual Chlorine Range: 0 - 10. Total chlorine test range: 0 ~ 10 ppm. 6 in 1 swimming pool test paper：.
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