how to find pH value without pH paper
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Fill the test tube that comes with the field test kit to the mark with the test liquid. Make sure the fill level is as close as possible to the line so that the results produced are accurate.
Drip a few drops of the indicator solution into the test tube with the sample and give it a slight shake to mix the two liquids. Add as many drops as the test field kit advises to produce the most accurate results. The solution in the test tube should change color based on what its pH is.
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