Nutrients deficiency - cocos

Hello mate, i think your might have a pH issue, try to keep it between 5.7-6.1.

Early signs of a magnesium deficiency. When growing in coco, you need to use a cal/mag supplement from virtually day 1. Add a cal/mag suplement to your fertilizer line up or increase the dosage if already using one. Add some more details in your diary...........the more information you provide, the better the answers can be!