Pro-Mix HP w Mycorrhizae. 3.8 cf. LOCAL PICKUP ONLY-We cannot ship this product due to cost & size. A high porosity mix peat/perlite-based growing medium with 70% Canadian Sphagnum peat moss. This mix ensures optimum growth, especially when high air-capacity, & extra drainage are required. It is ideal for water-sensitive crops, rooting cuttings, &/or low-light growing conditions.