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Wheat bran for making mushroom fruiting-blocks.


Can be used as an alternative to brown rice flour when making BRF cakes.


Not food grade for human consumption, only good for animal feed or mushroom cultivation.


Bran is best used at a ratio of 10-15% in your block  -- adding more than 20% will not increase mushroom yield and dramatically increases contamination risk.

Mushroom Substrate Supplement (Wheat Bran)

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