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Litmus pH Test Strips ph Paper| (pH 1-14),3 Packs of 240 Strips. Bonus 1 x 0.2ml Plastic Eye Dropper， Test and Track Your Water, Diet, Pool, Aquarium and Soil
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About Litmus PH Test Strips Ph Paper| (pH 1-14),3 Packs
How to use our pH test strips Step 1 Absorb a little of the liquid to be tested, and then drop it onto the test strip. Step 2 The tested paper will produce color changes one second after contact with the solution. Step 3 Match colored test strip to color chart within 15s, The value closest to the color on the chart is your pH. Cautions the strips can not indicate the Acid or alkali solution when its density was lower than 0.01%. Test paper should be stored in a dry place to avoid light, and no sour and alkaline air can be stored again. When using, please do not immerse the pH bar in the test liquid. It can cause the test results to be displayed incorrectly. The color changes of the test strip need to be matched within 15 seconds. Packing Content 3 Packs litmus pH test paper,Bonus 1 x 0.2ml Plastic Eye Dropper.
