Hello 👋 I have 5 chemdawg x superskunk growing in 2 gal pots of plagron coco coir amended with perlite. RO water 0ppm PH between 5.8-6.3 1.6EC 800-900 ppms was using Jack's with MOST and silica had no issues last res change was this Monday and I used floraflex b1 and b2 with cal mag and silica...