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Our Premium Pasteurized Masters Mix Substrate block is the perfect solution for growing gourmet mushrooms at home. Made from a blend of high-quality organic materials, it provides the ideal environment for mushrooms to thrive. With a pasteurization process that eliminates harmful pathogens, this substrate block is ready to use right out of the package. Available in both 5lb and 10lb sizes, it's perfect for hobbyists and commercial growers alike. Give your mushrooms the best start possible with our Premium Pasteurized Masters Mix Substrate block.

Final weight may vary.

Premium Pasteurized Masters Mix Substrate block (5 or 10 lb)

SKU: 100
PriceFrom $12.75
Price Options
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Substrate solution
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  • All sales are considered final and returns/refunds are only available if the substrate can be shown to be contaminated before it is cut open. Substrate does not guarantee results. Please be sure to take a clear photo and be ready to present it for refunds or returns. 

    Returns can be made within 30 days of product delivery. Subject to approval. 

    If a product is damaged in shipping, please reach out to us because it may be salvagable and/or eligible for return/exchange/refund. 

  • Shipping is paid for by the purchaser, except when shipping is "free." Returns or exchanges may still include an additional shipping charge, at the sellers discretion. 

    At this time, shipping is only to the United States. Restrictions may apply. 

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