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

£2.50

Out of 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