ZCtron Trixes Litmus Ph 1 To 14 Test Paper Book 80

Trixes litmus pH 1 to 14 test paper book 80 this pH test paper allows you to accurately test the pH of various substances, including food, water / aquarium, soil, etc

Approximate size of package 70 x 45 mm pH 1-14 color chart in each package

Instructions for use: take out litmus test paper from the package

Immerse the liquid / drop on the test paper for half a second to start the test

Wait 15 seconds for the reaction to occur

Compare the color change with the provided color chart to indicate the acidity level and match the pH scale color chart as follows: 1-3 represents high acidity, 4-6 represents acidity, 7 represents neutral, 8-11 represents alkaline, 12-14