Ive currently got typical calcium deficiency signs, with the brown spots all over my leaves, just wondering what is the best ph for calcium uptake? I hear people saying 5.2-5.8 and others saying 6.5-7.5, anyone have any info? Bubbler system.
Hi LochGee. KingJohnC has all that stuff dialed in, if you check this link you'll see the nutrient availability chart plus a lot of other useful information too KingJohnC welcome