Coco Brick are lightweight and easy to transport blocks of compressed premium coir. When hydrated, these bricks expand into the renowned, RHP certified, Nutrifield Coco Premium with the same excellent liquid retention and friability properties. The RHP certification ensures that the coir maintains a high level of consistency and quality, is pest and disease free, thoroughly rinsed, pH stabilised, pre-buffered with calcium and has a very low salt index. The Coco Brick expands to 55L of fresh, ready-to-use coco. Coco Brick are portable, space efficient versions of Nutrifield Coco Premium, which is an ideal substrate for exceptional plant growth. Directions Of Use 1. Place the Nutrifield Coco brick in a large bucket or container of water ( approx. 25 litres) 2. Pour approximately 25L of warm water and allow Coco brick to expand for 10 minutes. Package Includes 4x 5Kg Coco Bricks by Nutrifield