i don't have any experience with coco, but i've read it likes a little higher pH than 6.0. i've read anywhere from 6.3-7.0. it's pH neutral, so 6.5 should be good?


-shake
headshake Reviewed by headshake on . yellowing at tips then drying up hello im trying to help a freind out whos having problems growing. hes growing in coco soil using coco a and b, hes growing in a tent with 2 400w lamps with the temp at 26C with the lights on 18hrs a day, he used 30ml of coco a and b and 5 ml of bio - stimulant and and the plant started to yellow at the tips so hes been flushing it out for the last 2 weeks with ph water at 6.0 the new shoots are coming green then still yellowing at the tips some curling up then drying n falling of. can anyone Rating: 5