All our pre-sterilized substrates are guaranteed sterile and ready for use with almost any kind of mushroom culture or spores. Get growing with Mushbox quality substrates.

Sterilzed Substrates

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$35.99
 
 
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Great for starting spawn for casing, bulk substrates or just as a master grain spawn. Made with precision and care.
$19.00
These are the best substrate jars on the market or your money back! We stand behind our secret recipe containing all organic ingredients. You can get up to 1 ounce of fresh mushrooms per jar!
$62.99
 
 
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