Creek
Quality LC and fast shipping
Quality LC and fast shipping. My go to vendor!

Thick Mushroom Cultures, or TMC for short, is a leading online supplier of premium mushroom liquid culture syringes, setting the industry standard for quality assurance and customer confidence. What distinguishes TMC from every other vendor in the marketplace is our unwavering commitment to transparency and proven purity.The owner of TMC, whose name is Tommy Mixon, was the first vendor to sell and ship Psilocybe cubensis and Panaeolus Cyanescens Mushroom Liquid Culture Syringes starting in 2011. Mr. Mixon and his team have done significant research and development in regard to these products for 15 years. Unmatched Quality VerificationThick Mushroom Cultures is the only vendor online that provides comprehensive proof of quality control testing for every mushroom culture we offer. Our dedication to excellence means customers can purchase with complete confidence, knowing that each culture has been rigorously tested and verified to be free from contamination. Our website features a dedicated quality control testing section where customers can view actual test results and microscopy images demonstrating the purity of our cultures. Every product undergoes periodic testing to ensure ongoing viability and cleanliness.Professional Laboratory StandardsAll of TMCs mushroom liquid culture syringes are produced in an ISO 7 certified laboratory environment, ensuring pharmaceutical-grade cleanliness and consistency, and purity. Additionally, every culture is genetically verified by independent third-party testing, guaranteeing that customers receive exactly the species and variety they ordered with no surprises, and no substitutions.Customer ProtectionWe stand behind our products with a contamination-free guarantee and a comprehensive 30-day warranty on all purchases. This commitment reflects our confidence in our production processes and our dedication to customer satisfaction.When you choose Thick Mushroom Cultures, you're choosing transparency, quality, and peace of mind in e
Thick Mushroom Cultures (thickcultures.com) has 23 customer reviews on Five Star Index, with an average rating of 4.4 out of 5.
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23 approved reviews, newest moderated first
Creek
Quality LC and fast shipping. My go to vendor!
Steve T.
Quick shipping and great looking syringes. ( really thick mycellium!) This is my day 5 since injecting and colonization is over 50% Great results so far
S.A.Martin
Thick Spores has the best liquid cultures around. I’ve sampled just about everyone over the years. Thick Spores has the most diversity in their catalog and the highest quality cultures I’ve ever worked with hands down. Their customer service is first class as well. I caused a shipping error with an order and Tommy really looked out for me, and they didn’t have to do that because it was mostly my fault. I don’t leave reviews often but these guys are really really good. If you’re thinking about giving them a try, do it. You will not be disappointed.
Anria
Fast shipping and strong genetics. Never had a problem with contamination. If it’s hot out make sure you choose UPS air shipping. USPS messed up my shipment and my liquid cultures arrived DOA. Tommy replaced my order and sent it UPS 2 day air. Those were good! I won’t make that mistake again with living organisms during the summer. Thanks for the great customer service Tommy!
Randy
Proven reliability, prompt processing and shipment of my order. Great, all around. I will be back.
Response from Thick Mushroom CulturesAug 13, 2026
Thank you for the great review Randy! We are very happy to hear everything from start to finish went perfectly for you! That’s awesome! We hope to hear from you again!
Eric S.
Always a good product and great service
Response from Thick Mushroom CulturesAug 13, 2026
ERIC!! My man thanks so much for posting your review. And let me know how I can change that 4 star to a 5 star. I’m always available for a chat! 😻
William
Each syringe was Thick with mycelium. Just as advertised! I've never received LC syringes with that much mycelium. Excited to begin testing with what looks to be very strong genetics!
Response from Thick Mushroom CulturesAug 13, 2026
Thanks for the review William! We truly appreciate you! You’re the best! ✌️
Chi C.
I was skeptical at first because of the low low prices during their “gas and groceries cost too much” sale. But in the end I got high quality liquid cultures that proved to be viable and contamination free on agar. The myc is ripping through grain right now and is very rhizomorphic. Thick cultures turned out to be one of the top dawgs in the myco industry! Shipping was also fast same day shipping
Response from Thick Mushroom CulturesAug 13, 2026
Chi Chi the trainer of the strongest Saiyans. I know who you are. Thank you for your review of us. We will always serve you well ⚡️