My meter needs the 7.0 and the 4.0 … I use the 7.0 for storage… So I go through more of that… Somewhere I read filtered bottled water is good storage too… In fact… Brewing right now… pH is at 5.4… I’m good!!
Sneezles61
I hope things are going well!!. I am planning on using the storage solution. Directions said to soak the meter in some bottle water first for 30 mins than the calibrate.
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