• PACK OF 25 MUSHROOM GROW BAGS - Grow mushrooms at home using our mushroom grow bags! These bags are larger than standard spawn bags which makes them perfect for spawn colonization bags, substrate bags, or as a mushroom grow bag.
• VERSITILE: These bags are perfectly sized and will fit a block size of 5-7Lbs. Great for making mushroom spawn or substrate. Autoclavable mushroom grow bags.
• IDEAL FOR GROWING MUSHROOMS: The integrated 1.5" gas exchange filter allows for higher CO2 levels during mycelium colonization making it ideal for growing shitake and other mushrooms.
• DURABLE & TEAR RESISTANT - Our large grow bags are 8x5x19 inches. Our Mushroom Substrate / Spawn bags are designed with a side gusset to increase strength and durability.
• USE FOR SUBSTRATE PREPARATION: These bags are the perfect size for pasteurization and storage of bulk substrates. Easally make and store manure based substrates using these bags.
• QUALITY MUSHROOM GROWING SUPPLIES - Since 2018, Milliken Mushroom Supply has been providing high quality mushroom growing supplies and content. We strive to provide great products and support for the mushroom growing community.