Item #: Ujar02
Availability: In Stock
Usually ships In 1-2 Days
  • Natural Organic Brown Rice Flour
  • Vermiculite
  • Mineral Water
  • Liquid worm castings
  • Bee Pollen

Retail: $45.00
Price: $39.99
You Save: $5.01 (11.1%)

    Quantity:

    (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 163 Reviews:
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    One jar was broken. Otherwise a great product per usual.

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    One jar arrived broken. The remaining 11 jars were great as usual.

    MI

    Excellent Service

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    Arrived on time and professionally. I highly recommend.

    Easy to communicate & learn from

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    I had originally ordered a kit from "North Spore" and they took so long I had to cancel the item. They didn't even keep in touch to say it's taking longer than expected. But midwest communicated every step of the way and even picked up the phone when I called to a question.
    Also- The kit was very good, well made, and package securely.
    As my needs arise I will order from them again.

    Oregon

    Mega mushroom grow kit and separate jars.

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    Couldn’t be more satisfied. Everything arrived on time and the quality of everything is superb. Couldn’t be more satisfied with my purchase..

    Seriously the best in all categories!

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    I've purchased from a handful of different companies over the years, but I always end up back at Midwest. Their jars are impeccable. I haven't had to throw out a single jar due to contamination. Not a single one, and I've purchased dozens and dozens of these. They must have magic in their methods! It's incredible how fast these babies colonize. Their casings as well! Midwest is my go-to from start to finish now. Their customer service is prompt and wonderful. Shipping is super-fast. Their product is by far the best. I have zero complaints. In fact, I absolutely adore this company and recommend them to anybody who inquires. If you're on the fence, fear not! You'll be more than happy with your purchase.

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