Can be used to discover pH of water, human urine, oral saliva sample or vaginal acid alkaline pH 

A5 meter roll of specialist high quality pH indicator test paper that provides reliable high accurate pH readings. 

Housed in an easy to use plastic wheel, simply tear of a small portion of the strip for testing. 

The diagnostic paper is for testing acidty & alkaline levels & is ideal for a number of uses. 

This handy narrow range pH litmus paper roll is an economical & reliable product that can be used to discover water pH, human urine, oral saliva sample or vaginal acid alkaline pH