This mix is formulated to help the professional organic grower cultivate strong, healthy crops. Grower's Organic is the choice of growers looking for high water holding capacity and increased bulk density. Best used in cell packs to 4 inch pots. Ingredients: Canadian Sphagnum peat moss (4.5-55%), coconut coir pith (25-35%), coarse perlite (5-15%), coarse vermiculite (5-15%), organic starter nutrient charge, Gypsum, Dolomitic limestone, an organic fertilizer and an organic wetting agent.