Mushroom Jars
The Best Mushroom Jars Online
Out-Grow produces the highest quality sterilized mushroom substrate jars for serious cultivators. With over 15 years of hands-on mycology experience, we offer premium laboratory-prepared jars that outperform DIY methods and imported alternatives. Our professional-grade mushroom jars provide contamination-free results for home growers, educators, and commercial operations alike.
Why Out-Grow Mushroom Jars Are the Industry Standard
Our sterilized mushroom substrate jars are crafted in a professional mycology laboratory using precise industrial sterilization methods. Every mushroom jar is made fresh to order, sealed in a clean environment, and rigorously tested to ensure optimal colonization. Since 2010, Out-Grow has established itself as the trusted name in mushroom substrate jars, serving thousands of satisfied cultivators nationwide.
Fully Sterilized Mushroom Jars Ready for Inoculation
Each mushroom substrate jar is fully hydrated, properly sterilized, and ready for immediate use upon arrival. Many of our jars feature self-healing injection ports and 5-micron filter patches, allowing for clean and efficient inoculation with liquid culture or spore syringes. Our professional preparation eliminates the time, equipment, and contamination risks associated with homemade substrate jars.
The Largest Selection of Mushroom Substrate Jars Online
Out-Grow offers an unmatched variety of sterilized grain jars including rye berries, popcorn, red milo, white milo, white millet, BRF (brown rice flour) with vermiculite, and our exclusive Mega Mix blend. Available in convenient pint and quart sizes, our mushroom substrate jars accommodate every cultivation method from PF Tek to grain-to-grain transfers and bulk substrate inoculation.
Backed by Over 15 Years of Professional Mycology Expertise
Out-Grow has been supplying premium sterilized mushroom jars since 2010, earning the trust of cultivators at all levels. Our state-of-the-art facility, laboratory-grade sterilization processes, and consistent quality control have made us the leading provider of mushroom substrate jars in the industry. When you choose Out-Grow, you're investing in proven results.
Click below to shop the internet's most trusted selection of sterilized mushroom substrate jars for cultivation.
