Plagron Cocos Perlite 70/30 is a combination of two high quality substrates: Cocos Premium and Perlite. The mixture contains 70% coconut fiber and 30% perlite. It is suitable for growing in pots and for recirculating systems. The Cocos product is fully buffered and therefore characterized by a stable pH value. Perlite creates an airy substrate and improves drainage. An ideal mix for the growth and flowering of your plant!