Thanks to its ideal structure, Plagron Cocos Premium is the perfect basic substrate. Cocos Premium is fully buffered with a stable pH value. It is particularly suitable for fast growing plants. Cocos Premium meets the most stringent quality standards and does not contain any fertilisers. It can be re-used as a soil improver. Cocos Premium produces the highest yields in combination with Plagron Cocos A&B and the additives from Plagron. Cocos Premium carries the RHP quality mark.