pH Testing (Litmus) Paper

** There is a delay in posting items this week due to staff holidays. **

** Any orders placed between 9th April & 17th April will be dispatched on 18th 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