pH Test Strips 4.5 - 9.0 (100 strips) for Urine & Saliva

Price:£8.99
4 out of 5 stars Monday 04 January, 2016 By Lydia Thorsen
Very simple to use and quick results. The only thing I do not like is the packaging. The top is fiddly to get back on especially when you are in a hurry. Would be better in a box with lid for instance.