@Gabriel_OD, You are welcome ♥️ Take your time, I did the same when I asked questions. P.h. meter is definitly the key. First mesure your solution p.h. (with or without nutrients) then the run-off gives you a good idea, if you mesure a too big difference them, then you have an issue. ♥️☺️♥️I will follow your diary ;)
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