Description
PH buffer powder, for use to calibrate PH meters such as our PH Pen
A vital tool to ensure your PH meter is correct and giving correct readings during your brew session.
Include 3 sachets of the following PH levels:
1 x PH 4.01
1 x PH6.86
1 x PH 9.18
To use add the sachet into 250ml of deionised water, stir until desolved.
PH solution accurate to 0.01pH
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