Mushroom Growing Substrates

50/50 Horse Manure and Straw Mix Mushroom Substrate
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50/50 Horse Manure and Straw Mix Mushroom Substrate
  • Model: OG1063
  • Manufactured by: Out-Grow
  • IN STOCK

Price:   Starting at: $6.00

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Out-Grow's 50/50 Mix

50% of our great horse manure based mushroom substrate and 50% golden wheat straw

You can choose either 1 pound bags or 5 pound bags

Mushroom Substrate

This is the perfect mix of our compost and wheat straw. This mushroom substrate will produce great results for dung/straw loving fungi species. You will get much larger yields using this 50/50 mix compared to just casing grains or all-in-one grow bags. This product is sterilized and ready to use at your front door. Simply add your gourmet mushroom spawn to the 50/50 grow bag, reseal it, and mix. Out-Grow's straw/compost mix is one of the best mushroom growing substrates available on the internet. We use only natural and chemical free products to make our substrates.


Wheat StrawHorse ManureCoconut Coir vermiculite

Out-Grow uses field leached and shredded horse manure, shredded golden wheat straw, coconut coir, vermiculite and a couple other secret ingredients to produce a high quality mushroom substrate with a very nice, airy texture. Out-Grow's 50/50 mix will come heat sealed and sterilized in a mushroom grow bag for your convenience. You can grow right in the bag or add to trays or tubs to grow in.

Mushroom Substrate


Customer Reviews:
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Date Added: 03/27/2012 by david b.
First of all; Out-Grow and Mike are the nicest people to deal with. Now, the 50/50 Manure Straw compost is fantastic !!! It colonized super quick using colonized rye jars. And it produces some large gourmet mushrooms using the Out-Grow casing soil. I can't imagine any better substrate. I'll always do my business with Out-Grow. Keep on being the best and thanks for everything. :-) ~~~PEACE & LOVE~~~

Rating: 5 of 5 Stars [5 of 5 Stars]

Displaying 7 to 7 (of 7 reviews)

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