{"title":"Mushroom Grow Bags and Filter Bags","description":"\u003cp\u003eA mushroom grow bag is a polypropylene bag with a microporous filter patch: mycelium breathes through it, contaminant spores do not get in. Two things determine whether a bag suits your job - the micron rating of the patch and whether it has a self-healing injection port. Get either wrong and you are opening the bag when you should not have to.\u003c\/p\u003e\n\n\u003ch2\u003eChoosing a bag\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMicron\u003c\/th\u003e\n\u003cth\u003eUse for\u003c\/th\u003e\n\u003cth\u003eWhy\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.2 micron\u003c\/td\u003e\n\u003ctd\u003eGrain spawn, agar work\u003c\/td\u003e\n\u003ctd\u003eTightest filtration - grain is nutrient-dense and contaminates easily\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.5 micron\u003c\/td\u003e\n\u003ctd\u003eGrain and general purpose\u003c\/td\u003e\n\u003ctd\u003eGood balance of gas exchange and protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003ctd\u003eBulk substrate, fruiting blocks\u003c\/td\u003e\n\u003ctd\u003eFaster gas exchange, which colonising substrate needs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjection port\u003c\/strong\u003e - a self-healing rubber patch you inject through. Essential if you are inoculating with a syringe rather than working in front of a flow hood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 mil polypropylene\u003c\/strong\u003e is the standard. It survives autoclave and pressure cooker cycles; polyethylene bags melt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGusseted bags\u003c\/strong\u003e stand up on their own and hold substrate in a usable block shape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize to the job\u003c\/strong\u003e - small bags for grain, large gusseted bags for 5-10 lb fruiting blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to skip\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny bag not rated autoclavable. It will deform or melt in a pressure cooker.\u003c\/li\u003e\n\u003cli\u003eTaping over a torn filter patch. A compromised patch means the bag is compromised.\u003c\/li\u003e\n\u003cli\u003eUsing 5 micron bags for grain. The gas exchange is generous enough to let contaminants in on a substrate that cannot fight back.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat micron filter do mushroom grow bags need?\u003c\/h3\u003e\n\u003cp\u003e0.2 to 0.5 micron for grain spawn, 5 micron for bulk substrate and fruiting blocks. Tighter filtration for the more contamination-prone material.\u003c\/p\u003e\n\u003ch3\u003eCan mushroom grow bags be autoclaved?\u003c\/h3\u003e\n\u003cp\u003eYes, if they are polypropylene rated for it - typically 3 mil. Check the listing; polyethylene will not survive.\u003c\/p\u003e\n\u003ch3\u003eDo I need an injection port?\u003c\/h3\u003e\n\u003cp\u003eIf you are inoculating with a spore or culture syringe and do not have a flow hood, yes. It lets you inoculate without opening the bag.\u003c\/p\u003e\n\u003ch3\u003eCan grow bags be reused?\u003c\/h3\u003e\n\u003cp\u003eNo. The filter patch degrades and the bag is a disease vector between grows. They are consumables.\u003c\/p\u003e","products":[{"product_id":"north-spore-mushroom-filter-bags-5-micron-10-ct","title":"North Spore - Mushroom Filter Bags - 5 Micron - 10 CT","description":"\u003cp\u003eThese autoclavable mushroom substrate grow bags are ideal for indoor mushroom cultivation and spawn production. Bags are made of 2.2 ml thick polypropylene plastic and are designed to withstand high temperatures. The 5 micron filter also allows for ample gas exchange, and makes them perfect for use as substrate bags. These bags are durable and clear enough to make monitoring growth easy and can be sealed with an impulse sealer, or just be tied to the seal.\u003c\/p\u003e\n\n\u003cp\u003eFeatures\u003cbr\u003e\n - Autoclavable polypropylene bags for mushroom cultivation and spawn production\u003cbr\u003e\n - High temperature resistance\u003cbr\u003e\n - 5 micron filter for optimal gas exchange\u003c\/p\u003e","brand":"Left Coast","offers":[{"title":"Default Title","offer_id":41088758513700,"sku":"LCWH-NSMFB.5-10CT","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/North-Spore-Mushroom-Grow-Bags-2-800x800.png?v=1709984595"},{"product_id":"north-spore-mushroom-filter-bags-5-micron-10-ct-case-of-4","title":"North Spore - Mushroom Filter Bags - 5 Micron - 10 CT - Case of 4","description":"\u003cp\u003eThese autoclavable mushroom substrate grow bags are ideal for indoor mushroom cultivation and spawn production. Bags are made of 2.2 ml thick polypropylene plastic and are designed to withstand high temperatures. The 5 micron filter also allows for ample gas exchange, and makes them perfect for use as substrate bags. These bags are durable and clear enough to make monitoring growth easy and can be sealed with an impulse sealer, or just be tied to the seal.\u003c\/p\u003e\n\n\u003cp\u003eFeatures\u003cbr\u003e\n - Autoclavable polypropylene bags for mushroom cultivation and spawn production\u003cbr\u003e\n - High temperature resistance\u003cbr\u003e\n - 5 micron filter for optimal gas exchange\u003c\/p\u003e","brand":"Left Coast","offers":[{"title":"Default Title","offer_id":41088758677540,"sku":"LCWH-NSMFB.5-10CT-C4","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/North-Spore-Mushroom-Grow-Bags-2-800x800_34aebf22-fdda-4daa-93e5-e705ce24032a.png?v=1709984597"},{"product_id":"north-spore-mushroom-grow-bags-2-micron-10-ct","title":"North Spore - Mushroom Grow Bags - .2 Micron - 10 CT","description":"\u003cp\u003eThese autoclavable mushroom grow bags are ideal for indoor mushroom cultivation and spawn production. Bags are made of 2.2 ml thick polypropylene plastic and are designed to withstand high temperatures. The .2 micron filter also allows for ample gas exchange, and makes them perfect grain spawn bags. These bags are durable and clear enough to make monitoring growth easy and can be sealed with an impulse sealer, or just be tied to the seal.\u003c\/p\u003e\n\n\u003cp\u003eFeatures\u003cbr\u003e\n - Autoclavable polypropylene bags for mushroom cultivation and spawn production\u003cbr\u003e\n - High temperature resistance\u003cbr\u003e\n - .2 micron filter for optimal gas exchange\u003c\/p\u003e","brand":"Left Coast","offers":[{"title":"Default Title","offer_id":41088758743076,"sku":"LCWH-NSMGB.2-10CT","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/North-Spore-Mushroom-Grow-Bags-2-800x800_4c3c2abb-0be1-4779-a154-80cb5f8d301d.png?v=1709984598"},{"product_id":"north-spore-mushroom-grow-bags-2-micron-10-ct-case-of-4","title":"North Spore - Mushroom Grow Bags - .2 Micron - 10 CT - Case of 4","description":"\u003cp\u003eThese autoclavable mushroom grow bags are ideal for indoor mushroom cultivation and spawn production. Bags are made of 2.2 ml thick polypropylene plastic and are designed to withstand high temperatures. The .2 micron filter also allows for ample gas exchange, and makes them perfect grain spawn bags. These bags are durable and clear enough to make monitoring growth easy and can be sealed with an impulse sealer, or just be tied to the seal.\u003c\/p\u003e\n\n\u003cp\u003eFeatures\u003cbr\u003e\n - Autoclavable polypropylene bags for mushroom cultivation and spawn production\u003cbr\u003e\n - High temperature resistance\u003cbr\u003e\n - .2 micron filter for optimal gas exchange\u003c\/p\u003e","brand":"Left Coast","offers":[{"title":"Default Title","offer_id":41088758775844,"sku":"LCWH-NSMGB.2-10CT-C4","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/North-Spore-Mushroom-Grow-Bags-2-800x800_0507581d-4c99-40f7-bd44-a259c09ef071.png?v=1709984600"},{"product_id":"north-spore-mushroom-substrate-grow-bags-xls-5-micron-10-ct","title":"North Spore - Mushroom Substrate Grow Bags XLS - .5 Micron - 10 CT","description":"\u003cp\u003eThese autoclavable mushroom grow bags are ideal for indoor mushroom cultivation and spawn production. Bags are made of 3 ml thick polypropylene plastic and are designed to withstand high temperatures. The .5 micron filter also allows for ample gas exchange. These bags are durable and clear enough to make monitoring growth easy and can be sealed with an impulse sealer, or just be tied to the seal.\u003c\/p\u003e\n\n\u003cp\u003eFeatures\u003cbr\u003e\n - Autoclavable polypropylene bags for mushroom cultivation and spawn production\u003cbr\u003e\n - High temperature resistance\u003cbr\u003e\n - .5 micron filter for optimal gas exchange\u003c\/p\u003e","brand":"Left Coast","offers":[{"title":"Default Title","offer_id":41088759201828,"sku":"LCWH-NSMSGBXL-10CT","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/North-Spore-Mushroom-Grow-Bags-2-800x800_3fb25cf3-ee6b-4c13-8360-726b0152bed9.png?v=1709984607"},{"product_id":"north-spore-mushroom-substrate-grow-bags-xls-5-micron-10-ct-case-of-10","title":"North Spore - Mushroom Substrate Grow Bags XLS - .5 Micron - 10 CT - Case of 10","description":"\u003cp\u003eThese autoclavable mushroom grow bags are ideal for indoor mushroom cultivation and spawn production. Bags are made of 3 ml thick polypropylene plastic and are designed to withstand high temperatures. The .5 micron filter also allows for ample gas exchange. These bags are durable and clear enough to make monitoring growth easy and can be sealed with an impulse sealer, or just be tied to the seal.\u003c\/p\u003e\n\n\u003cp\u003eFeatures\u003cbr\u003e\n - Autoclavable polypropylene bags for mushroom cultivation and spawn production\u003cbr\u003e\n - High temperature resistance\u003cbr\u003e\n - .5 micron filter for optimal gas exchange\u003c\/p\u003e","brand":"Left Coast","offers":[{"title":"Default Title","offer_id":41088759300132,"sku":"LCWH-NSMSGBXL-10CT-C10","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/North-Spore-Mushroom-Grow-Bags-2-800x800_a6b37680-ba4b-4861-b375-91bb9696ab32.png?v=1709984609"},{"product_id":"mushroom-grow-spawn-bag-sealable-large-8-x-5-x-19-0-5-micron-filter-3-mil-polypropylene-autoclavable","title":"Mushroom Grow \/ Spawn Bag Sealable Large 8\" X 5\" X 19\" - 0.5 Micron Filter 3 Mil Polypropylene Autoclavable","description":"\u003ch2 style=\"text-align: center;\"\u003eMushroom Grow \/ Spawn Bag\u003c\/h2\u003e\n\u003ch4 style=\"text-align: center;\"\u003e0.5 Micron Filter | 3mil Polypropylene | Autoclavable\u003c\/h4\u003e\n\u003ch4 style=\"text-align: center;\"\u003e8\" X 5\" X 19\" (\u003cspan data-mce-fragment=\"1\"\u003e20cmx12cmx50cm)\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003eOur mycology bags are 8\" wide, have a 5\" gusset, and are 19\" long.  They are made of strong and durable polypropylene (3mil heavy duty).  The bags are sealable with an impulse sealer.  The bags are autoclavable and have a 0.5micron \u003cspan data-mce-fragment=\"1\"\u003erespiratory membrane filter.  The breathable filter is a 1.5\" diameter and is a microporous barrier which allows the passage of air but not contaminates.  These bags are suitable for making sterile grain or sterile substrate. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSuitable for Autoclave temperatures up to 250°F (121°C)\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\u003c\/ul\u003e","brand":"BVV","offers":[{"title":"Single","offer_id":43216168648740,"sku":"MFB-NOPORT-8X5X19","price":0.6,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":43216168681508,"sku":"MFB-NOPORT-8X5X19-10PK","price":6.0,"currency_code":"USD","in_stock":true},{"title":"20 Pack","offer_id":43216168714276,"sku":"MFB-NOPORT-8X5X19-20PK","price":12.0,"currency_code":"USD","in_stock":true},{"title":"50 Pack","offer_id":43216168747044,"sku":"MFB-NOPORT-8X5X19-50PK","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/files\/MycologyBag.jpg?v=1769689660"},{"product_id":"mushroom-grow-spawn-bag-sealable-w-injection-port-large-8-x-5-x-19-0-5-micron-filter-3-mil-polypropylene-autoclavable","title":"Mushroom Grow \/ Spawn Bag Sealable w\/ Injection Port Large 8\" X 5\" X 19\" \" - 0.5 Micron Filter 3 Mil Polypropylene Autoclavable","description":"\u003ch2 data-mce-fragment=\"1\" style=\"text-align: center;\"\u003eMushroom Grow \/ Spawn Bag\u003c\/h2\u003e\n\u003ch4 data-mce-fragment=\"1\" style=\"text-align: center;\"\u003e0.5 Micron Filter | 3mil Polypropylene | Autoclavable | with Injection Port\u003c\/h4\u003e\n\u003ch4 data-mce-fragment=\"1\" style=\"text-align: center;\"\u003e8\" X 5\" X 19\" (\u003cspan data-mce-fragment=\"1\"\u003e20cmx12cmx50cm)\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: center;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: center;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOur mycology bags are 8\" wide, have a 5\" gusset, and are 19\" long.  They are made of strong and durable polypropylene (3mil heavy duty).  The bags are sealable with an impulse sealer.  The bags are autoclavable and have a 0.5micron \u003cspan data-mce-fragment=\"1\"\u003erespiratory membrane filter.  The breathable filter is a 1.5\" diameter and is a microporous barrier which allows the passage of air but not contaminates.  These bags are suitable for making sterile grain or sterile substrate. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSuitable for Autoclave temperatures up to 250°F (121°C)\u003c\/span\u003e\u003c\/p\u003e","brand":"BVV","offers":[{"title":"Single","offer_id":43216176414756,"sku":"MFB-IPORT-8X5X19","price":1.6,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":43216176447524,"sku":"MFB-IPORT-8X5X19-10PK","price":15.0,"currency_code":"USD","in_stock":true},{"title":"20 Pack","offer_id":43216176480292,"sku":"MFB-IPORT-8X5X19-20PK","price":28.0,"currency_code":"USD","in_stock":true},{"title":"50 Pack","offer_id":43216176513060,"sku":"MFB-IPORT-8X5X19-50PK","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/files\/MFB-IPORT.jpg?v=1769689666"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/collections\/North-Spore-Mushroom-Grow-Bags-2-800x800.png?v=1785941960","url":"https:\/\/www.growitdepot.com\/collections\/mushroom-grow-bags-filter-bags.oembed","provider":"Grow It Depot","version":"1.0","type":"link"}