It was too much K, veg+bloom isn't really designed for coco so u gotta add extra, and I mean extra amounts of calmag. Like 300ppms per gallon. I hope u figures it out tho...ik this is an old post
I've been running v+b for about 3 months now and I'm Killin it. Plants r happier than ever and growing bigger than ever and the quality is straight ⛽⛽ ⛽. I just had to tweak my food regime a little and it was off to the races.