pH Testing (Litmus) Paper

** EASTER HOLIDAY POSTAGE DELAY **

We’re unable to post orders over the Easter break, specifically from 3rd April to 10th April. If you order between these dates your items will be posted on Monday 13th April **

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