Use buffer solutions to keep your pH meter calibrated. These are the same 3 solution powders that are included with the Beverage Doctor pen-style pH meter
Use buffer solutions to keep your pH meter calibrated. These are the same 3 solution powders that are included with the Beverage Doctor pen-style pH meter. We would strongly recommend if you haven't used your Beverage Doctor in a while to always use a buffer solution before you start your brew.
Directions:
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Completely empty the powder into a clean glass jar
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Add 8.5 oz of deionized water
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Stir until the powder has completely dissolved
Comes with 3 packs: 4.00, 6.86 and 9.18