QUALITY - Cactus Mix with Mycorrhizae - 12 Dry Quarts Soil! Abundantly Rich in Natural Materials - with Compost, Worm Castings, Mycorrhizae Made from all premium ingredients including 35-45% volcanic pumice, pumice fines and sand, sphagnum peat moss, coco coir, compost and worm castings, mycorrhizae fungi species Great soil for a cactus garden, including Lithops (living stones) No mixing needed - just open bag, pour soil into pot or planter and plant succulents