Pro-Mix HP. Covers an area of up to 3.8 cu. ft. High porosity and fast drainage. Contains a beneficial mycorrhizal inoculum. High air capacity and extra drainage for sensible crops. Decreases the incidence of root disease. This mix ensures optimum growth, especially when high air-capacity and extra drainage are required. It is ideal for water-sensitive crops, rooting cuttings and/or low-light growing conditions. MYCORISE