Masters Mix substrate bags, perfect for wood loving mushrooms, proven to increase speed of growth and yield. This Propritary blend of soy hulls, hardwood oak come Sterilized and sealed for you to use immediately upon receiving.The ingredients for these bags are sourced locally here in Hawaii. This material is perfect for growing most gourmet varieties of mushrooms including oysters, lions mane, pioppinos, and chestnuts, plus many others! This material is hydrated and sterilized, ready to use. We do not recommend spawning this material to open air, it is full of nutrients and sugars which can pick up and grow contaminants in the air. The best way to use this material is to spawn your grain into the bag and fruit from the bag itself.you the easiest way to grow your favorite mushrooms from the convenience of your home! Our unique mixture guaranteed to provide your mushrooms with the nutrient-rich ingredients that they will love. Our bags contain ZERO animal by-products and use only sterilized ingredients leaving you an all-in-one bag free of harmful bacteria, viruses, fungi, and spore   
Grow up to 3 lbs of mushrooms from just one bag.
QUALITY SUBSTRATE:
Our bags contain sterilized, nutrient-rich ingredients to maximize your mushroom yields.
PROTECTION GUARANTEED:
Our 5LB Masters mix substrate bags feature  patch to allow proper ventilation for your mushrooms while keeping harmful contaminants out.
HOBBYIST AND PROFESSIONAL USE:
 All-In-One Mushroom Substrate Grow Bags are perfect for the at-home grower as well as large scale commercial applications.
Directions
Yields up to 3lbs per bag.
Grow directly from the bag. No additional equipment necessary.
Just add fully colonized grain spawn ratio 1.5 to 5 (sold seperately)
Incubate in a cool area for 4 weeks or until fully colonized.
 When you see pen sets forming make 3 to 4 insicions slice to bag and open top for them to get oxygen along.
Keep bag in humid area and mist inside bag 1 to 2 times per day
Harvest when ready.