PRO-MIX HP Growing Medium with Mycorrhizae, 2.8 cu ft - Pallet of 57PRO MIX HP MYCORRHIZAE is a high porosity peat based growing medium containing, beneficial mycorrhizal inoculum (Glomus intraradices). This formula ensures optimum growth, especially when high air capacity and extra drainage are required. It is ideal for water sensitive crops, rooting cutting and or low light growing conditions. Ingredients: Canadian Sphagnum peat moss (65 75 % volume) Perlite horticultural grade Dolomitic and Calcitic limestone (pH