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Now upgraded for 2025:
these plates help your spores or mycelium:
dark brown caps commonly seen in grocery stores and restaurants
Never place bins or jars directly on the mat without a buffer layer
Enhance your mushroom spawn production with our Bulk Red Millet Grain
Ultimate ½ Pint Substrate Jars (12-Pack) pearl oyster Now upgraded for 2025:Ultimate Half Pint Substrate Jars (12 Pack) Freshly Made Sterile Fastest Colonization on the Market (ON SALE!) After over 15 years of refinement, weve perfected the art of substrate jars. Our Ultimate 8oz substrate jars are trusted by growers across the country for their consistent results, unbeatable colonization speed, and superior yield potential. This isnt just another PF Tek jarits a carefully balanced formula of: Organic Brown Rice Flour