pH Test strips are an easy & economical way to measure the PH of both urine & saliva. Conveniently packed in flip-top vials, offering you an easy to read, single colour match at every .2 to .3 interval from pH 5.5-8.0. Each pack contains 100 plastic strips
pH Litmus paper is an accurate way to measure the pH of both urine & saliva. Each roll will give the user approximately 100 tests and comes complete with Colour Chart and Instructions. Litmus paper. 6mm (1/4in) wide x 4.5 metres (15ft).