Midwest's Premium Select Bulk Casing is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime, Gypsum, ph buffers, ph stabilizers, mineral water and a few other choice ingredients.
Item #: SBC5
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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)
  • Shelf life of up to 6 months!

Retail: $20.00
Price: $18.00
You Save: $2.00 (10.0%)

    Quantity:

    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.

    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, this is an extremely popular 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!

    Overall Customer Rating of 156 Reviews:
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    Awesome Products

    Rating:
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    Pros:
    Cons:
    This is my second order for this product. wont order any where else. you should buy your products here. You wont be disappointed. Great company

    Best sub mix

    Rating:
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    Pros:
    Cons:
    Always great! Never any issues

    Indiana

    Tried and true

    Rating:
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    Pros:
    • Clean
    • has proper field capacity
    Cons:
    • Needs to come in 6lb packages
    Been a customer for a while, month ago got a deal to by 100lbs of substrate at $2 a pound plus shipping,lost 5 tubs to contamination. They did refund my money but 5 tubs gone. Went back midwest and we're rocking again, it's a quality product.

    Great!

    Rating:
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    Pros:
    • Price
    • Pre sterilized
    Cons:
    This is an amazing substrate. Love that it comes already sterilized and ready to go.

    Casing

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    Pros:
    Cons:
    Perfect grains, excellent packaging, came on time! Zero complaints.

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