Orchid Society of Middle Tennessee

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Mushroom Grow Bags 4″ x 3.5” x 13” Grain Substrate Mycelium Seeds Sealable 7

July 8, 2026

Mushroom Growing Bags Mycelium Substrate High Temperature W 4″ x D 3.5” x L 13”Perfect for grain spawn, rye grain, wood chips, and various substrates. 4″ Wide 3.5″ Gusset 13″ Long Ideal size to grow mushroom bags at home, fits perfectly into a Pressure cooker, and the transparent mushroom bags makes it easy to observe the growth of the mushrooms and it is easy to be stored. Specifications:Color: TransparentMaterial: PolypropyleneThickness: 0.06mmAir vent window size: 2” x 2”Air vent window aperture: 0.2umSuper DurableMade from a thick Polypropylene Material: this thick polypropylene material will still not easy to crack or break, provides 100% protection of your mushroom. Temperature resistant Will easily hold up in temperatures of up to 130 C/266 F in a pressure cooker. Advanced Filtration 2” x 2” filter patch, 0.2 Micron Filter – allows for gas exchange while keeping contaminants out. Easily to SealYou can easily seal these bags with either a heat sealer or just tie them off with a zip-tie. Note:1.Please allow 1-5mm error due to manual measurement. 2.The colors may have different as the difference display.ALL SALES ARE FINAL ! NO RETURNS! NO REFUNDS! Fast Shipping from the U.S

5lb All in One Mushroom Grow Bag Masters Mix – Gourmet Mushroom Substrate

July 8, 2026

Just wipe the injection port with the included alcohol prep pad and inject your favorite liquid culture. 5lb Masters Mix Mushroom Grow Bag (Sterilized & Ready to Inoculate). Substrate: Hardwood Sawdust & Premium Alfalfa Pellets (Hydrated to ~60%).

5 LBS Coco Mushroom Substrate with Added Cow Manure

July 8, 2026

5 LB CVG with COW MANURE SUBSTRATE 0.2 MICRON BAG PRE HYDRATED.

Horse Manure Based Mushroom Substrate 1lb bag

July 8, 2026

Manure Based Mushroom Substrate This sale is for a one pound bag of substrate Please note if you plan to start from a culture solution or liquid culture syringe you need to begin with Sterilized Rye Berries. We also have Private Listings available. Magic Mountain compost is specially formulated mushroom growing substrate for growing dung loving edible mushrooms. We take field leached horse manure, shred it and then fortify it with all the necessary minerals and vitamins that mushrooms need to grow. We get our manure form one single source. There horses are organically fed and very healthy. By processing the manure and mixing it with various ingredients we create the absolute best substrate on the market today. Carefully PH balanced and proper moister content is guaranteed. this is by far the highest quality mushroom substrate on the market today. By using a perfect mix of horse manure, coconut coir, gypsum, vermiculite and other additives we have came up with a 100% organic and natural equine dung based mushroom substrate. Magic Mountain Compost should be used in conjunction with our mushroom grain spawn, rye berries and mushroom casing. You can mix and match our products to make your own personalized mushroom grow kit. Growing with mushroom grow bags Magic Mountain Compost comes to your front door sterilized and ready to use! You will receive your substrate in a heat sealed large mushroom grow bags with a .05 micron filter patch to provide perfect fresh air exchange and filter out bacteria and other contaminates. For our one pound bags of substrate the bag size is 4″ X 3″ X 18″ with a 5 micron filter patch. For our 5 pound bags we use 15″ X 24″ bags with a 5 micron filter patch. We use the largest spawn bags available to insure plenty of room for substrate and the fruiting mushrooms. By cultivating in these mushroom grow bags you don’t have to adjust humidity in a fruiting chamber or worry about contaminates compromising your grow. Magic Mountain Compost can be frozen in its original packing for up to 4 months or kept in a cool dark place for up to 1 month before using. It is always best to use our products as soon as possible. Why buy your substrate from Out Grow? Well first of all our products are sterilized and packaged in a sterile lab. Not in a residential kitchen like other sellers here on eBay. We have invested much time and money on our equipment and proven procedures. Out Grow has been making mycology products for many years and we have the experience and professionalism that only comes with being in business for a long time. We are happy to answer all of your questions with knowledgeable information. Mycology can be challenging at times that is why we are here to work with you. It is inevitable that occasionally bags will fail, but we got your back! Explain to us the problem and more then likely we will send you a replacement! With 100% feedback and years of experience Out Grow is the obvious choice for your mycology needs.

Morel Mushroom- Garden Grow Kit- Guaranteed! Free Shipping!

July 8, 2026

I have been growing mushrooms for 30 years. You can start your own patch and know exactly where they’ll be. No more hunting, just picking! 🎁 Great gift for a Mushroom lover!

Mushroom Substrate 5 Pounds | Sterilized |

July 8, 2026

…We take well composted horse manure, add peat for aeration, gypsum, water and that’s it. Keep it simple. We don’t add vermiculite, it’s environmentally unfriendly, bad for our lungs and has no nutritive value. Hydrated to field capacity. The substrate is sterilized not pasteurized.

5 LBS Black Coco Mushroom Substrate

July 8, 2026

The Black Coco Mushroom Substrate is ready to use right out of the bag. To use, simply dump into monotub, or dump grain bag into the CVG bag. With our tried and tested formula and high-quality ingredients, you can rest assured that your mushrooms will thrive.

Mushroom Substrate Casing Soil (1 Pound Bag)

July 8, 2026

Out-Grow’s Mushroom Casing To complement our other Mushroom Growing products, we now offer mushroom substrate casing as well. Out Grows mushroom casing is made up of many choice organic products. Out-Grows casing contains peat moss, vermiculite, ph buffer, ph stabilizer, gypsum, and a few other choice ingredients. As with all of our products we extensively tested and adjusted out recipe and preparation until we got it perfect. This sale is for a one pound bag of casing Casing is a non-nutritious moisture retaining layer spread on top of your mushroom substrate. It covers the substrate holding in precious water and creating a micro-climate to help encourage even pin sets. Your casing needs to be pasteurized, ph balanced and moisture content adjusted. If you’re mushroom casing is to wet it can actually harm the pin set and if the mushroom casing is to dry it can also have adverse effects on your substrate. We guarantee the perfect moister content in our casing. Out Grows premium mushroom casing mix Out-Grows casing is fully pasteurized and ready to use right out of the box. Un-opened casing bags can be frozen for storage. Out-Grow is here to help! Out Grow has been making mycology products for many years and we have the experience and professionalism that only comes with being in business for a long time. We are happy to answer all of your questions with knowledgeable information. Mycology can be challenging at times that is why we are here to work with you. If you have any problems please explain to us the problem and Out-Grow will be happy to work with you! With 100% feedback and years of experience Out Grow is the obvious choice for your mycology needs. Please thoroughly research the gourmet mushroom strain you want to cultivate. Most gourmet mushrooms will start on sterilized rye grain however you will need to know what secondary substrate is needed. Out Grows customer support is available 5 days a week via eBay messaging Monday through Friday. Our products are 100% guaranteed to be sterile and ready to use. © 2021 Out Grow. All rights reserved

15+ LBS Mushroom Bulk Substrate Dung Lovers Blend – Pasteurized – Grow Mushrooms

July 8, 2026

This listing is for a 3-Pack of our highly popular and fast-colonizing 5 LB Dung Lovers Bulk Substrate Blend for a total of 15 LBS in this pack! Buy more and save! Steam Pasteurized Bulk Mushroom Fruiting Substrate for Compost / Dung Loving Species Each bags is filled with approximately 5 LBS of manure-based substrate wetted to field capacity with an approximate volume of 1+ GALLONS per bag when spawned. Substrate is made with a blend of composted cow manure, coco coir, vermiculite, worm castings, and limestone powder. Bags are sealed, steam pasteurized, and ready for use upon arrival! Bags are NOT inoculated, and buyer will need to provide their own spawn / culture. Bags are guaranteed to be clean and will be checked for defects before shipping. If you do not plan to use the bags right away, it is highly advised that you store them under refrigeration. IMPORTANT: If your bag arrives damaged or is otherwise compromised due to shipping or production defect, we will provide a free replacement after proof of defect is provided. Substrate is made using composted cow manure, and may contain some organic matter or associated debris such as small pieces of wood, though we do attempt to remove them during mixing. Fortunately, this will not have an adverse effect on cultivation. TERMS OF PURCHASE: This product is intended for the cultivation of LEGAL gourmet and/or medicinal fungal cultures only, and SHALL NOT BE USED to facilitate any activities which violate local, state, or federal law. Any indication from buyers that this product would be used in such a manner will result in no sale, and any communication at any point before or after purchase that this product is/was used for illicit purposes will immediately void any warranty, refund, return, replacement, or claim of defect and buyer will be blocked from future purchases. Bags are provided sterile upon arrival, but buyer voids all warranty, refund, return, replacement, or claim of defect immediately upon inoculation in any manner. It is the buyer’s responsibility to inspect the item upon arrival and determine suitability PRIOR TO inoculation. If your bag arrives damaged or is otherwise compromised due to shipping or production defect, we will provide a free replacement AFTER PROOF OF DEFECT IS PROVIDED VIA PHOTO. It is the buyer’s responsibility to inspect the item upon arrival and determine suitability PRIOR TO inoculation; it is advisable not to use the item immediately upon receipt and a waiting period of 5-7 days is recommended to ensure sterility after arrival. While we guarantee viability of the bag, due to innumerable reasons far beyond our control (e.g. culture viability, technique, environmental variables, etc.) we do not guarantee individual success and “lack of growth” will not by itself be considered sufficient cause for refund or replacement.e for refund or replacement.

11 LBS Mushroom Bulk Substrate Dung Lovers Blend – Pasteurized – 1 GALLON Approx

July 8, 2026

This listing is for a 2-Pack of our 5.5 LB Dung Lovers Bulk Substrate Blend – buy more and save! Steam Pasteurized Bulk Mushroom Fruiting Substrate for Compost / Dung Loving Species Bag is filled with approximately 5.5 LBS of manure-based substrate wetted to field capacity with an approximate volume of 1+ GALLONS when spawned. Substrate is made with a blend of composted cow manure, coco coir, vermiculite, worm castings, and limestone powder. Bags are sealed, steam pasteurized, and ready for use upon arrival! Bags are NOT inoculated, and buyer will need to provide their own spawn / culture. Bags are guaranteed to be clean and will be checked for defects before shipping. If you do not plan to use the bags right away, it is highly advised that you store them under refrigeration. IMPORTANT: If your bag arrives damaged or is otherwise compromised due to shipping or production defect, we will provide a free replacement after proof of defect is provided. Substrate is made using composted cow manure, and may contain some organic matter or associated debris such as small pieces of wood, though we do attempt to remove them during mixing. Fortunately, this will not have an adverse effect on cultivation. TERMS OF PURCHASE: This product is intended for the cultivation of LEGAL gourmet and/or medicinal fungal cultures only, and SHALL NOT BE USED to facilitate any activities which violate local, state, or federal law. Any indication from buyers that this product would be used in such a manner will result in no sale, and any communication at any point before or after purchase that this product is/was used for illicit purposes will immediately void any warranty, refund, return, replacement, or claim of defect and buyer will be blocked from future purchases. Bags are provided sterile upon arrival, but buyer voids all warranty, refund, return, replacement, or claim of defect immediately upon inoculation in any manner. It is the buyer’s responsibility to inspect the item upon arrival and determine suitability PRIOR TO inoculation. If your bag arrives damaged or is otherwise compromised due to shipping or production defect, we will provide a free replacement AFTER PROOF OF DEFECT IS PROVIDED VIA PHOTO. It is the buyer’s responsibility to inspect the item upon arrival and determine suitability PRIOR TO inoculation; it is advisable not to use the item immediately upon receipt and a waiting period of 5-7 days is recommended to ensure sterility after arrival. While we guarantee viability of the bag, due to innumerable reasons far beyond our control (e.g. culture viability, technique, environmental variables, etc.) we do not guarantee individual success and “lack of growth” will not by itself be considered sufficient cause for refund or replacement.e for refund or replacement.

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