BRF Jars Stalled Out
This is pretty common. What causes the BRF jars to stall out is usually lack of air. Flip the jar upside down for a few days and then turn right side up. That should correct the problem.
If you see jars that stalled out and have mold often of different colors the jars got so warm the temperature killed the fully colonized mycelium and it started decaying and rotted.
The best way to avoid having your BRF Jars stall out if to keep them between 70-78 degree fahrenheit. When mycelium colonizes it produces heat and the substrate in the jar can be 2-3 degrees fahrenheit higher than the room temperature. This is why we recommend keeping the jars between these temps at all times. Some species can handle up to 82 degrees but any higher you may have an issue. Some strains are very aggressive and will grow in anything while others are less aggressive leaving more room for things to go wrong. Cut squares of aluminum foil and make a small tent over the top of each jar to prevent them from drying out. This will allow gas exchange but cut down on moisture loss in the jars.
We have tested a BRF jar we shrink wrapped and kept on a shelf for 3 years and that jar worked perfectly.
Mushroom Substrates
At Shroomability, we proudly offer a full range of mushroom growing supplies designed for both beginners and professional cultivators. Our collection includes sterile grain spawn bags, oak sawdust grow bags, and all-in-one mushroom grow bags with self-healing injection ports and 0.5-micron gas exchange filters for maximum cleanliness and performance. Every product is made with precision and sterilized for consistent, contamination-free results.
We also carry modified stainless-steel mason jar lids, adhesive monotub filters, micropore tape, and humidity control accessories to create the perfect environment for colonization and fruiting. For substrate enhancement, our gypsum powder, hydrated lime, vermiculite, and oak wood pellets provide professional-grade nutrients and texture balance to support strong mycelial growth.
All supplies are carefully sourced, tested, and shipped from Fort Myers, Florida, ensuring freshness and quality. Whether you’re growing gourmet mushrooms like oyster and lion’s mane or exploring medicinal varieties, Shroomabilitydelivers the tools and materials to help you succeed from start to harvest.
Shop our complete collection of mushroom cultivation supplies today and experience the chef-level quality and mycologist precision that make Shroomability the go-to source for mushroom growers nationwide.
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3 lb Organic Rye Berry Mushroom Spawn Bag
Regular price $15.00Regular price$15.00Sale price $15.00 -
2.5 lb Oak & Straw Pulp Mushroom Grow Bag
Regular price $10.00Regular price -
1.5 lb Mini All-In-One Mushroom Grow Bag – Rye Berries & CVG
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2 lb 3-Grain Mini All-In-One Mushroom Grow Bag
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3-lb Rye + Casing Mix CVG All-In-One Bag
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Sold out3 lb 3-Grain Mushroom Spawn Bag
Regular price $13.95Regular price$17.00Sale price $13.95Sold out -
5 lb Coco Coir Bulk Casing Mix Bag CVG
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6 BRF Jars - Organic Mushroom Substrate
Regular price $35.00Regular price -
12 BRF Jars - Organic Mushroom Substrate
Regular price $65.00Regular price$0.00Sale price $65.00 -
Organic Rye Berry Spawn Jar
Regular price $8.95Regular price$10.00Sale price $8.95Sale -
2.5 lb 100% Straw Pulp Mushroom Substrate Grow Bag
Regular price $10.00Regular price$12.95Sale price $10.00Sale
Let customers speak for us
Thanks so much looking forward to producing my own edibles!
Jars look terrific - very fast/secure shipping. Great vendor!
Great quality and fantastic customer service. Fast shipping.
After receiving my 1st order, I immediately ordered another for another strain. So far so good.
So far so good. Will see in a week or 2 how it colonizes the grain. Ty shroomability
Item arrived quickly and safely packaged. Really appreciated the extra wrapping to be sure the jars remain fresh.
Just what I needed for my experiments 🧪
Mine are going on 4 weeks and looking great. These are small but I’m hoping for an additional crop, maybe 2 more. Price is very good considering what bags go for.
Fast grow came with the xtras
Everything arrived quickly, safely, and securely. Haven't had a chance to use the jars yet but I think they're gonna work out great. Thanks so much.
Fast colonization, clean stuff.
The tofu I make tastes great! It's really fine powder and I don't seem to be getting sick from it so it must be food grade.
This worked great for gourmet mushroom spores
It's too early to comment on the end result. The medium is a rye and casing mix bag. The lion's mane has started out but has not penetrated the surface yet. It's probably much cheaper to buy these at the grocery store, but this is more fun.
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