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Ultimate ½ Pint Substrate Jars  (12-Pack) mushroom substrate jars, ultimate pint substrate jars, mushroom growing supplies, BRF jars, sterile substrate jars, mushroom cultivation kit, mushroom grow kit, Midwest Grow Kits, mushroom growing tools, mushroom inoculation jars.

Ultimate ½ Pint Substrate Jars (12-Pack) (Ujar02)

4.94 stars, based on 248 reviews
(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,...

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  • comes already!
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great deal! awesome!

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Arrived very quickly. Well-protected packaging. Great product to utilize.

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everything worked great

MA

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Always very happy with the products. I have bought two grow kits and substrate and grain bags all have inoculated quickly and have never had contamination issues .

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Only one out of 12 jars cracked during shipping but even after putting it into a new jar it has started to grow just like all the others in my order after 10 all jars are about halfway colonized. I will be ordering all my supplies from Midwest growkits