Nutrifield Coco Brick Mega 5KG Makes 55L RHP certified 

Coco Brick & Mega 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 and Mega Brick expand to 55L of fresh, ready-to-use coco, respectively. Coco Brick & Mega Brick are portable, space efficient versions of Nutrifield Coco Premium, which is an ideal substrate for exceptional plant growth.