pH Indicator Litmus Test Paper Strip Roll 55 8 For Water Urine And Saliva 5 Meters by DF Speciality Paper

A 5 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 human urine, oral saliva sample or vaginal acid alkaline pH