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
Original price was: £1.00.£0.89Current price is: £0.89.
13 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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