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Collection: Sterilized Substrate

Ready to use mushroom substrates take the complexity out of growing mushrooms at home.  We have grains, straw, or manure based substrates to fit any kind of grow method you prefer.  Fully sterilized and ready to use.  We're here to help your grow go great!
11 products
6 Pack--2lb BOOM! Block Sterile Spawn Bags
Regular price
$55.00
Sale price
$55.00
1lb BOOM! Block Grow Bags
Regular price
$6.00
Sale price
$6.00
Simplified Mushroom Grow Kit-Just Add Spore Syringe!
Regular price
$59.00
Sale price
$59.00
2 lb (5qt) Casing Mix Sterile
Regular price
$7.00
Sale price
$7.00
2lb Straw and Manure Mushroom Grow Bags Fast Bulk!
Regular price
$9.00
Sale price
$9.00
BRF PINT Jars x4 PF tek
Regular price
$29.00
Sale price
$29.00
2lb Golden Wheat Straw Bulk Substrate
Regular price
$7.50
Sale price
$7.50
2lb BOOM! Block Sterile Spawn Bags
Regular price
$11.00
Sale price
$11.00
10 Pack--1lb BOOM! Block Sterile Spawn Bags
Regular price
$50.00
Sale price
$50.00
Bulk Tub Fill Kit
Regular price
$55.00
Sale price
$55.00
2lb Brown Rice Flour Sterile P.F. tek Bags
Regular price
$7.50
Sale price
$7.50