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Ultimate ½ Pint Substrate Jars (12-Pack)

Availability: In Stock
Usually ships In 1 Day
Item #: Ujar02
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4.93 stars, based on 180 180 review(s). | Write a review
Retail: $45.00
$11.01
Price: $33.99
You Save: $11.01 (24.5%)

    • Natural Organic Brown Rice Flour
    • Vermiculite
    • Mineral Water
    • Liquid worm castings
    • Bee Pollen

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    (ON SALE) Our 8oz Ultimate substrate jars are the quite possibly the best on the net! We have worked for over 15 years looking for perfection! We finally found it! We have combined special organic brown rice flour with vermiculite, mineral water, Liquid worm castings and Bee pollen to create the Ultimate mushroom growing jars! Each jar has four pre-drilled holes in the lid and a top dry layer of vermiculite for added protection. We have customers who have been using our jars for over 10 years simply because no other jars will out-perform ours! With the Fastest possible colonization times, the largest possible mushrooms no other jars will perform like these! We use Ball 100% Glass Canning jars! No plastic substitutes like others sell!

    We hand make every jar the morning your kit ships so your jars are the freshest possible! They are pressure sterilized in our Autoclave for 120 minutes.

    **Click here to read our update page about national canning jar shortages and pricing**

    Overall Customer Rating of 180 Reviews:
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    Awesome great

    Rating:
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    Pros:
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    Great products with great results. Fast and simple purchase and shipping. 🍄👌
    Growing made easy!

    100% Great Jar Substrates

    Rating:
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    Pros:
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    This yr i bought the 12 ½ pint jars, they're different than a yr ago but ive gotten extremely fast growth. All rhyzomorphic and just after 5 days my jars are overdue in mycelium. Best price and best jars I've ever used.
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    Review on product

    Rating:
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    Pros:
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    Always fast delivery and quality grow supplies.. well done Midwest.. keep it up!👍🏼

    New Mexico

    New to this

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    Pros:
    • Price and quality
    Cons:
    • None
    Being new to this, this website has everything I need and helps when I need it. Thank you Midwest Grow Kits!

    NJ

    The best there is

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    This company is ethical, managed well, delivers rapidly and accurately, and will serve you well. The products are top quality, the jars oh, when you inoculated properly are extremely fruitful. You couldn't hope for more.