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8-Pack ‘Boomr Bag’ Manure-Based Sterile Mushroom Substrate
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| Species | Dung-loving mushrooms |
| Moisture content | Hydrated to field capacity |
| Carton size | 8 bags (40 lbs) |
| Bag weight | 5 lbs each |
Maximize your mushroom yield!
Our best-selling Boomr Bag is a sterile manure-based bulk mushroom substrate formulated by mycologists to increase the yield of your grow. Over several years, the recipe has been perfected for dung-loving mushroom species and is widely-trusted by mushroom growers. Use Boomr Bag in monotubs, filter bags, and outdoor beds. Or, grow mushrooms from the bag or in a tray using a humidity-controlled grow room or Martha set up.
Features & benefits:
- Made entirely from organic materials
- Balanced pH with a complex nutrient profile
- Proven vigorous mycelial growth
- Fast colonization and higher yields
- Increased aeration and moisture retention
- Hydrated to field capacity
Boomr Bag is made from a blend of quality local, organic, and non-GMO materials including a proprietary blend of composted horse manure, coco coir, and several quality substrate supplements (although we keep the exact blend a secret!) Unlike other substrates that contain harmful additives, you can rest assured that your grow will be natural and chemical free.
Spawn to bulk ratio:
We recommended mixing 1 colonized grain spawn bag with 2-3 Boomr Bags. (Higher inoculation rates may improve your success.)
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- We recommend clean hands, latex or nitrile gloves, and sterile technique when using Boomr Bag to reduce the introduction of contaminants.
- Be sure to mix colonized grain spawn thoroughly into your substrate.
- It is best practice to wait a minimum of 1 week after arrival before using sterile substrates to ensure they were not compromised during transit. Rest assured that your purchase is 100% guaranteed. If your substrate was compromised, we will replace it.
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Boomr Bags should be stored at room temperature out of direct sunlight. No refrigeration is necessary. They can also be stored for several months before use.
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Our Boomr Bags are sterilized in a commercial-grade autoclave. Sterility is verified using biological indicators and temperature sensors.
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North Spore promotes the use of its products for lawful purposes only. North Spore does not encourage the procurement, use or growing of any illegal substance. North Spore does not condone, encourage, facilitate, solicit, or promote any illegal activity. Certain substances are illegal under state and federal laws, and it is the consumer’s responsibility to be informed about the legal status of any substance the consumer grows, procures, or uses.
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Customer Reviews
4.9 Based on 53 Reviews
5 ★
94%
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J
11/11/2024
Jackie
United StatesI recommend this product
The best sub there is.
I have tried many brands of substrate. I made my own. I used it for my max yield bins and even in potters for others plants. This is the best around.
11/12/2024
North Spore
We really appreciate your business, Jackie!
IJ
10/12/2024
Ian J.
United StatesI recommend this product
Manure Boom Bags
Fantastic product. Sterile clean packaging. Definitely worth the cost.
10/13/2024
North Spore
We appreciate your business, Ian! Thanks for taking the time to leave a review.
JR
07/21/2024
Justin R.
United StatesI recommend this product
Good stuff but check the bags before use
I’ve made my own substrates severa different ways and it doesn’t hold a candle to northspores recipe. Highly recommend using, just be sure to check the bags, I got the 8 pack and a few of mine were contaminated out of the box but that sorta stuff happens to anyone. amazing yields and moisture retention!
07/23/2024
North Spore
Thank you for taking the time to leave a review, Justin! We appreciate your business.
R
07/15/2024
Rob
United StatesI recommend this product
Item Arrived Quick
These arrived quickly and I am looking forward to seeing the results!
07/17/2024
North Spore
We'll be here for support if anything comes up during your grow, Rob!
CM
07/14/2024
Christine M.
United StatesI recommend this product
Boomer bag
This is great product. I use it because the mushrooms love it.
07/17/2024
North Spore
Thank you for your review, Christine!
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