Just the biobizz grow bloom and top max, been really conservative on the feeding as I think I over fed earlier in the cycle so deficiency wouldn't surprise me. Will any of the bio bizz stop it happening again (In a larger amount) or will I need another product. Thanks again everyone
hey I'm new to the site and could do with some help. I have 6 autos in 12l pots under a 600w hps. Early stages had temperature problems an other problems which now seem to be rectified (first attempt) however late in flowering 4 out of 6 are developing black edges to the leaves. This is in a...