A pH test strip is a cheap and effective tool you can use at home to measure the pH of your water supply. They are small strips of paper that use a color code to indicate the pH of a solution. Country of Origin: China
A pH test strip is a cheap and effective tool you can use at home to measure the pH of your water supply. They are small strips of paper that use a color code to indicate the pH of a solution.
Country of Origin: China
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