Observationist
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Personally in hydro I like my PH to slowly swing between 5.5 and 6.2. My thought is this helps with multiple nutrients. I'd like to devise a test to this effect and have the system automatically dose up or down based on an algorithm. You know, for
Exactlycorollary would be that PH could be used as yet another tool in the arsenal for managing nute uptake. For example, instead of dumping in cal-mag, would it be better to raise PH to center on 6.2 for a week if you see a calcium or magnesium deficiency? I would just need to figure out the sweet spots for each salt while not depriving another.
My thoughts as well