twelve pounds of rye grain substrate, organic rye berries, mushroom grow spawn bag

You are looking at twelve pound of nutrient-enhanced organic rye berries used as a mushroom growing substrate. Packaged in (12) one lb. sealed myco grow bags with filter patch for gas exchange. (Each 1 lb. bag is approximately 24oz. in volume and equal to 3-4 ½ pint jars) These bags are guaranteed to arrive to you 100% sterile and ready to inoculate! How is our Grain is processed? * First, the grain is washed several times to rinse dirt and loose particles. * Then the grain is soaked for 24 hours in a mixture of distilled and mineral water fortified with gypsum, diammonium phosphate (a fertilizer/nutrient to provide an adequate amount of nitrogen, and correct PH) and other nutrient enhancing herbs and minerals. * After soaking, the grains are brought to a boil, cooled, and rinsed one last time to assure they are of the proper cleanliness. * The grains are packed in spawn bags, sealed with a heat sealer, and pressure sterilized at 15 PSI for 90 minutes. * After several hours of cooling inside the pressure cooker, the spawn bags are packaged inside sterile bags, and packed for shipping. * All work is done in a sterile lab in front of a laminar flow hood wearing all necessary equipment, i.e. surgical rubber gloves, scrubs, tyvek wrist sleeves, surgical face mask, hairnet, etc...