Compressed Coco Brick 4.5kg
Expands to 40-50L approximately when hydrated with water.
Will make approximately 40 litres of coco when re-hydrated. Just add about 15L (approx) of water per brick.
Pre-washed to reduce salt content.
Each brick may not weigh 4.5 kg but should make approx. 40 litres of medium when water is added.
