Bio Gro certified organic potting mix. Sustainably harvested from renewable resources. A blend of fine bark and pumice to give a free draining growing mix. Gypsum for healthy plant growth and soil health. Sheep dust and blood and bone, a slow release form of nitrogen. Potash for flower and fruit development. Rock phosphate for stem and root development and overall plant health. Contains an organic slow release fertiliser giving a balanced nutrient supply for up to three months. A free draining mix suitable for a wide range of container grown plants. For optimum results supplementary feeding with an organic liquid plant fertiliser is recommended. 30L bag.