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Midwest's Select Bulk Substrate Casing Mix - 5 pounds

Availability: In Stock
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Item #: SBC5

4.93 stars, based on 207 review(s). | Write a review

Retail: $20.00

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Mushroom Casing (substrate) is a non-nutritious moisture retaining layer to spread on the top and bottom of your mushroom substrate. This method is generally referred to as the "Bulk" method, Monotub, or Bulk Substrate. this is the popular alternative way to fruit your spawn bags or jars. We provide easy to follow instructions on how to use and create your bulk grow. The hardest part of this process is achieving the perfect ratios of substrate, casing and water. We've made it easy!

Use the following amounts:

1 Spawn bag per 5 pound bag of casing mix (using our 5grain or Rye spawn bag)
6 Jars per 5 pound bag of casing mix (using our 1/2 pint substrate jars)
2-3 5grain Jars (24oz or 30oz)
Shelf life of up to 6 months!

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Our top selling product every month! Midwest's Premium Select Bulk Substrate is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime, Gypsum, ph buffers, ph stabilizers, mineral water and a few other choice ingredients. Our select casing comes fully hydrated and pasteurized and is ready to use right out of the bag! Use this along with a fully colonized spawn bag to start your bulk growing experience! Each 5 pound bag comes fully sealed and can be used right away or stored in the fridge/freezer for use up to 6 months later.

Our Select Bulk Casing Substrate is guaranteed to arrive with the perfect amount of water often called "field capacity". All you do is open the bag and mix! We have spent years slowly perfecting this recipe to what it is today. We use only the best quality ingredients and unique additives to provide a consistent, reliable product with the highest ability to resist molds and contamination.

Links to our PDF step by step Bulk Growing Guide are included with your order!

Overall Customer Rating of 207 Reviews:

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Farmer John

Casing Mix

1/19/2023

Rating:

Pros:

Price
quality
service.

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Delivered on time and as expected. Midwest Grow Kits are my go-to source!

JFulkerson

Freeze it!

1/15/2023

Rating:

Pros:

Cons:

I've been using this bulk mix for years now and absolutely love it, but I've recently found that freezing it produces even better results! It was already great and I didn't think it could get any better, but I had some extra and shoved it in the freezer. Twice now I've done this, and compared mycelium growth between fresh bags and thawed frozen bags, and holy crap the mycelium zooms in the stuff that was frozen prior, by FAR quicker and stronger with more flushes. I had two bags in the freezer for over a year and it's doing incredible things right now. How cool!

Captain Crunk

Midwest is the BEST

11/7/2022

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Pros:

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I've used midnight mushrooms twice I've always had a great experience with their customer service and a great yield from their growth kids

Lissette

Great substrate for beginner growers

9/15/2022

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Pros:

pice
quality
ease of use

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I used the casing mix for my first flush ever of mushrooms, and it worked like a charm! Delivery of the produce was quick, too.

Adam

100% Satisfied EVERY.TIME.

8/29/2022

Rating:

Pros:

Quality
Clean
Fast Shipping

Cons:

NONE

This is and always will be the only substrate I buy when it comes to bulk grows. I've used 3 times for 3 different grows and had nothing but success.