Hey guys, iff someone could help me plz. Im not a very experienced grower, I always grow by the book with a ph pen, organic, temp always controlled with AC, and i don't have lots of experience with problems ( only had mites). My Ph pen broke, I change my substrate brand, and moved from my old house ( so the water change too)... Using, biobizz alg a mic, biogrow or fish mix. Clu048 4k for veg and im not flowering at this point. I noted the burned tips, discoloring of leaves and the purple petiole. Also the grow is too slow. I will really appreciate the help, tks.