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Availability:
Only 5 left in stock, order soon!
Arrives
Sep 17 – Sep 19
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Features
- Simplify gourmet mushroom cultivation with Out-Grow's all-in-one manure-based mushroom grow bag
- Multiple layers of substrates all in one bag, reduce the chance of contamination and eliminate the need to transfer substrates
- Horse manure-based layer is perfect for dung-loving gourmet mushroom species
- Fully hydrated, sterilized, and features a five-micron filter patch and self-healing injection port
- Inoculate with 2-5 cc of your favorite gourmet mushroom culture solution (not provided)
- Colonize at room temperature for 4-6 weeks until your first flush of mushrooms
- Optional mixing once after 50% colonization can help decrease colonization times
- Perfect for growing a variety of mushroom species, including oyster, shiitake, and lion's mane and more
- A cost-effective solution for growing your own gourmet mushrooms at home
Material: Polypropylene (PP)
Special Feature: Fully hydrated and sterilized.
Style: Modern
Planter Form: Bag
Shape: Square
Material: Polypropylene (PP)
Special Feature: Fully hydrated and sterilized.
Style: Modern
Planter Form: Bag
Shape: Square
Indoor/Outdoor Usage: Indoor
Mounting Type: Ceiling Mount
Plant or Animal Product Type: fungus" or "mushroom
Brand: Out-Grow
Capacity: 4 Quarts
Number of Pieces: 1
Pattern: Solid
Included Components: plant_hanger
Finish Type: Unfinished
Number of Levels: 2
Item Weight: 3 Pounds
Size: 3 Pound (Pack of 1)
Item Weight: 3 pounds
Country of Origin: USA
Is Discontinued By Manufacturer: No
Date First Available: September 11, 2014
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sep 17 – Sep 19
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Worked great, just as advertised. Definitely a hefty size so good value for the cost
Reviewed in the United States on May 12, 2025 by Morphius
Been using this product for several years now. It’s a great option when you don’t have time to do it yourself. I’ve never had an issue with the product but I believe that the vendor would do what’s necessary to maintain a good relationship should something go wrong on their end. I’ve had these blocks fruit for as long as four months in a shotgun fruiting chamber which any mixologist knows speaks volumes for the quality of this vendor’s products. And I usually get my orders really fast, it’s usually several days before Amazon predicts.
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Reviewed in the United States on February 13, 2025 by Andrew Zeiner
** moved from 2 stars to 1 star.** This deserves explanation that pinpoints the bags as the problem. Purchased 3 bags two syringes (two strains) and made some killer homemade Agar (personal recipe) for petri jars (poly fill breather and silicon injection port) Order of events: In sterile environment (bleached room, hepa filtered for 2 days) also created a glove box. I used 21 gauge needles to ensure self healing ports closed (18 gauge that come with syringes are too big in my opinion. A. inoculated two Out-Grow bags flame sterilized needle. (alcohol on injection ports) B. Using same needle and spores inoculated 6 separate petri jars C. Using second spore syringe and needle, again inoculated Out-Grow bag first. D. Using same sport syringe, inoculated 6 of its own petri jars E. Inoculated homemade popcorn spawn jars (silicon and poly-fill tek) prone to contamination I know, but this is one sterile environment... Proving very successful I might add. *** In short, two bags showing major contamination and stunted growth (different strains) despite being in same environment as all other homemade spawning jars which have zero contamination (albeit some have stalled). I inoculated the bags first because I thought they were the sure thing. It seems my homemade tek is significantly better and WAY LESS EXPENSIVE after fixed costs recovered. ** One bag did perform nicely and is still colonizing well hence the two stars not one ** I get that making substrate in bulk and transporting them must have increased contamination challenges. Granted I am newer to this hobby, but I think my controls speak for themselves. I have taken petri Jars and done mycelium transfers to homemade substrate jars and also don't have any sign of contamination yet either. All in the same environments as the Out-Grow bags. Sorry Out-Grow, this highly suggests your bags have a contamination defect (maybe filter or self healing port doesn't self heal). Only about 75 fresh grams of mushroom. I will grant that they were HIGH potency of nutritional value, but not much in the way of yield.
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Reviewed in the United States on July 19, 2018 by David G.
Product shipped quicker than I expected. The first bag I ordered never grew any oysters. A few days of inoculation I started noticing a reddish brown almost rust-looking deposit on the rye berries. Not sure if that was a bacterial growth, fungal contamination, or some kind of chemical reaction between the ingredients and the moisture, as I had ordered the bag during the height of the summer. But it's arguably my fault as I had waited a couple of days to inoculate the bag to begin with. I almost gave up on the whole growing oyster mushrooms adventure, but I read some of the competitor reviews and decided to give Out Grow one more try. When I got the second bag in the mail, I inoculated it the very same day. I first saw signs of life on day 3 but also started to see some brown slimey looking juice on the bottom of the bag, which had me worried. I patiently watched the bag and tried not to disturb it. The slime juice grew, but so did the white of the mycelium. The race was on. Eventually there was a solidly demarcated white colonization meeting the wet brown rye berries. I decided to take the risk and shake up the bag maybe a few days early, betting that the water is just condensation and contamination, hoping that I could just redistribute the moisture. But I wasn't sure how much to mix up the ingredients in the bag. The moisture did even out and so far the mycelial growth going strong, but I'm not sure if I should have shaken the bag until the straw and the manure were equally mixed with the rye berries? The bag still isn't fully colonized but it hasn't been more that four weeks yet. Does anyone know if I should shake things up further so more of the manure is mixed with the rye berries?
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Reviewed in the United States on September 24, 2018 by Amazon Customer