pH Testing (Litmus) Paper

A booklet of 20 strips for detecting the full range of pH 1-14, Just dip into your liquid and check the colour change against the included pH chart.

Red – acid

Orange/Yellow – weak acid

Green – neutral

Blue – alkaline

£1.00

20 in stock

A booklet of 20 strips for detecting the full range of pH 1-14, Just dip into your liquid and check the colour change against the included pH chart.

Red – acid

Orange/Yellow – weak acid

Green – neutral

Blue – alkaline

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