Sterile Substrates
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Can I use North Spore Sterile Substrates with North Spore Grain Spawn?
Yes, you can! Our sterilized substrates are recommended for all indoor grows and many outdoor grows (that call for manure or hardwood.) -
Most people will use Boomr Bags in a Monotub. We've created this great walk-through that explains how to use them!
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How many BoomR bags will fill a tub?
The goal is to have 3-5” of the substrate in your tub. The amount of BoomR bags that will fill your tub will depend on the dimensions of your tub. A standard 70-80 qt tub will take 2-3 BoomR bags. The tub we use in the monotub walkthrough is 70 qts. -
How many cc’s of liquid culture or spores per injection port bag?
For efficient grows, use 2.5 ccs or mL per injection port bag. You can certainly use more per bag, which can speed up colonization. When working with spore syringes or liquid culture, the best sterile technique will use the entire syringe in one inoculation session. We do not recommend using an e... -
How much spawn should I use for a montub?
We recommend using 3lb. of spawn for one 70-80 qt. tub. For more detailed instructions, find our monotub walkthrough here. -
All sterile substrate should store well for several months out of direct sunlight. Ideally, your substrate should be used within a month of receipt. Long term storage can affect the moisture content. We do recommend waiting 2 weeks before using, so if there are any issues they'll present themselv...
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Troubleshooting Your Sterile Substrate and Other Common Questions
What is the shelf life of my sterile substrate? All sterile substrate should store well for several months out of direct sunlight. We do recommend waiting 2 weeks before using, so if there are any issues they'll present themselves prior to use. Please get in touch if there are any problems with y... -
A Boomr Bag is a sterilized manure based bulk substrate used to grow any dung loving species of edible mushroom such as Agaricus spp. or Coprinus cometus. North Spore does not condone the use of Boomr Bags to grow any species of mushroom that contains Psilocybin unless they are legal in your juri...
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Boomr Bags are a proprietary substrate blend made primarily from coco coir and composted horse manure - the exact substrate blend is top secret ; ) . The blend is sterilized in an autoclave in a 5 micron filter patch bag.
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A boomer is any mushroom that grows rapidly. The product is named Boomr Bag because your edible mushrooms will virtually explode from the substrate!