Build A Soil Growing Organic - Sterilized Grain Bag with injection port 3LB

Description

Ready to start growing mushrooms right at home? Our sterilized grain bag with an injection port is the perfect place to start your mycology journey at home.

100% ORGANIC: Each bag contains 3 pounds of organic millet ensuring only the purest source of grains for your mushroom growing needs.
HOW IT WORKS: With the sterilized grain bag, you can easily innoculate your bag with liquid culture (not included) and begin your journey to fruiting mushrooms right at home! Upon receiving your bag, inspect it immediately for contamination even if you don't plan on using it immediately. After you have injected your bag with spores it is non-refundable.
ZERO WASTE PACKAGING: Each bag is packaged in a biodegradable plastic bag and compostable outer packaging. This ensures that nothing goes to waste when you purchase from us!

Build A Soil Growing Organic - Sterilized Grain Bag with injection port 3LB

Product form

Ready to start growing mushrooms right at home? Our sterilized grain bag with an injection port is the perfect place... Read more

Free pickup in our shop(s)

8 in stock In stock

$27.50

    • Guaranteed secure & safe checkout.

      shop pay
    • Free pickup at our Webster & Milford stores
    • 30-day returns on unopened items

    Description

    Ready to start growing mushrooms right at home? Our sterilized grain bag with an injection port is the perfect place to start your mycology journey at home.

    100% ORGANIC: Each bag contains 3 pounds of organic millet ensuring only the purest source of grains for your mushroom growing needs.
    HOW IT WORKS: With the sterilized grain bag, you can easily innoculate your bag with liquid culture (not included) and begin your journey to fruiting mushrooms right at home! Upon receiving your bag, inspect it immediately for contamination even if you don't plan on using it immediately. After you have injected your bag with spores it is non-refundable.
    ZERO WASTE PACKAGING: Each bag is packaged in a biodegradable plastic bag and compostable outer packaging. This ensures that nothing goes to waste when you purchase from us!

    Returns & Delivery

    How fast will my order ship?

    We're a small family-owned shop, not Amazon. Most orders arrive within 7–14 days, and some items ship direct from the manufacturer. Need it today? Pick it up at Webster or Milford.

    Can I pick this up in store?

    Yes — order online and collect at Webster or Milford with no shipping charge. Both stores are open seven days a week.

    What if I need to return it?

    Most new, unopened items can come back within 30 days of delivery for a full refund. If the mistake was ours, we cover the return shipping.

    Do you handle bulk and commercial orders?

    We ship pallets of Pro-Mix, Bio365 and Athena nationwide. Call 508-461-5850 or ask us for facility pricing.

    Shop related collections

    Recently viewed products

      © 2026 Matt’s Hydroponics, Powered by Shopify