Pro-Swim Dry Acid (pH Minus)

An alternative to standard aluminium sulphate or liquid flocculants, Jolly Gel is designed for use with zeolitic, as well as sand and glass filter media.

1 pack contains 4 cubes

A visual test kit that provides quick, easy and simultaneous testing for chlorine / pH levels. Rapidly dissolving tablets give accurate and fast results. Simply match the water colour to the swatch on the side of the case and read.