Sunshine Mix #4 Aggregate Plus Bale is produced by Sun Gro Horticulture, who has the highest standards in professionally formulated growing mixes. This product will give you consistent results in every bale and is recommended where high air capacity and fast drainage are needed. It is perfect for use with water and salt sensitive crops, or where frequent leaching is required. Ingredients: Canadian Sphagnum peat moss, coarse perlite, starter nutrient charge (with Gypsum), dolomitic limestone & long-lasting wetting agent. 3.8 cubic feet per bale. 30 bale/pallet.