This Blend Of Double Screened Canadian Sphagnum Peat Moss & Fine Perlite Gives Seedlings The Aeration & Moisture Retention They Need For Strong Development A Wetting Agent Ensures Rapid Water Penetration & The Fine Texture Of This Mix Encourages High Germination & Easy Transplanting Use To Germinate Your Seeds In Flats Pots & Plug Trays Listed By The Organic Materials Review Institute OMRI For Organic Production. 16 qt This blend of double screened canadian sphagnum peat moss & fine perlite gives seedlings The aeration & moisture retention they need for strong development A wetting agent ensures rapid water penetration & the fine texture of this mix encourages high germination & easy transplanting Use to germinate your seeds in flats pots & plug trays Listed by the organic materials review institute Omri for organic production.