Feb 18, 2021
The Sourcery universal indicator papers range 1-14, same as Litmus Paper but cover the whole pH range. It's very easy and convenient to use. Just dip into the solution and compare the color to the standards printed inside the cover.
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The Sourcery universal indicator papers range 1-14, same as Litmus Paper but cover the whole pH range. It's very easy and convenient to use. Just dip into the solution and compare the color to the standards printed inside the cover.