Pro-Mix, .5 CUFT, Compressed Mini Bale Potting & Container Growing Mix, Expands To CUFT, More Perlite For Maximizing Soil Aeration, Suitable For All Indoor/Outdoor Potting & Container Needs, Adjustable pH For Wide Variety Of Plants, Includes Natural Fertilizer To Feed Plants For 3 To 5 Weeks After Planting, OMRI Listed.