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Use these basic, inexpensive litmus papers as an way to gauge the pH of a solution or soil sample.
Litmus papers are only a general test and can not give you an exact pH reading like our other pH tests or pH meter. Comes with a color chart that allows you to compare the color of the strip to 8 possible pH numbers from 3-10.
To test soil, add 1 part distilled water to 1 part soil and test. Contains 200 strips.