baxbax
Well-Known Member
I just have some calcium deficiency in coco I use ro water but add (24 drops of liquid contain 10 percent calcium and 2 percent mg) for 2 litre water , I add ph down to mix and bring it down to 5.9 and still have calcium deficiency , what is best ph for maximum calcium uptake in coco coir ? searched google but cant find right answer some says it best absorb in ph below 5.8 and some say go to 6.2 ?