MIMedGrower
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Yes that what I mean citric breaks down in about 12hrs IME in a well aerated system. I have never seen a hydro grower with the issue of ph not drifting but I have seen numerous ph drifting to much (instability) so for our use we don't have the issue of short and long term. Just the issue of ph drifting to fast. Which will be 1 of 2 things. Weak acid ph down like citric... Or inadequate buffer to start with creating stability issues. Because of lack of buffering. Basically you can't add enough acid to keep it stable without a ph crash or extremely low ph
I will have to read about it again as im using some gh ph down now. 1 ml to get 5ml foliage pro and 2.5ml protect back down to 6.2ph.
Havent compared not using it yet. With this mix my ph is above 8.0.
My well water is .3 ec and 7.8-8.0 ph out of the tap.