Formula 707 was designed by Roots Organics to be a ready- to- use soil for fast growing, heavy feeding plant applications. Formula 707 has a base is peat moss, coco fiber, compost, perlite and pumice which gives it a greater water holding capacity. These ingredients are mixed with a premium potting soil. It is also a product that you can amend and adapt with added fertilization if needed. To use just poke holes in the bottom, cut off the top and plant. Quantity: 3 cubic ft.