Size: 20 cm x 10 cm x 5 cm Wt: 0.8 kg/ block Code; (hcob) Ideal all purpose potting compost & mulch for seeds, trees, shrubs & cuttings.  1 block makes 10 litres of coir.  Constitute using 2-3 litres of water.  Plant nutrients added. Min. Order: 24 blocks