A professional and organic greenhouse quality mix made for seed starting. Recommended soil material for Jiffy-Pots®, Jiffy-Strips®, and/or Jiffy® Greenhouses. Can fill Jiffy-Pots 3" up to 40 pots. Made with Canadian Sphagnum Peat Moss. This mix contains 50% - 60% sphagnum peat moss, vermiculite, coir pith and lime for pH balance. For more Information regarding the contents and levels of metals in this product is available on the internet at http://www.aapfco.org/metals.htm