In order to keep your PH meter as accurate as possible, you will need to calibrate using our three buffer solutions. We would strongly recommend if you haven’t used your ph meter in
while to always use a buffer solution before you start your brew.
Directions for use: 1. Completely empty the powder into a clean 250mL glass beaker. 2. Add 250mL of deinoized water to the beaker. 3. Stir until the powder has completely dissolved. pH solution is accurate to (-+) 0.01pH Less
Buy pH Buffer Solution 3 Pack (4.00 6.86 9.18) in Brew Day from £3.95