PH Indicator Strips PH 6.5 - 10.0
PH Indicator Strips PH 6.5 - 10.0, 100 Strips per pack
pH indicator strips pH 6.5 - 10.0 available in 100 strips per pack. For use in solutions to give a pH reading.
Dip the strip into the solution you are testing for around 1-2 seconds and remove. The strip will then change colour, you should compare this colour against the pack's colour chart in order to give a pH reading.
100 Strips per pack