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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Wide Application: for Versatile asPH test range from 0 to 14 and can be used to test the acidity of various substances, including water, urine, saliva, soil, soap, skincare products, and more. They are suitable for laboratory and diagnostic purposes.
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Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Easy to carry. Material:paper.
eBay
Wide Application: for Versatile asPH test range from 0 to 14 and can be used to test the acidity of various substances, including water, urine, saliva, soil, soap, skincare products, and more. They are suitable for laboratory and diagnostic purposes.
eBay
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. Test Range: PH 1-14. PH 1-14 universal indicator papers for alkaline / acid tests. the strip into the solution to be tested for half a second, take out and contrast with the color chart, you will get PH values.
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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.
eBay
Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. PH range: -14. 100 x PH test paper. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Material:paper. Suitable for checking the alkaline or acidic content of a liquid.
eBay