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these plates help your spores or mycelium:
dark brown caps commonly seen in grocery stores and restaurants
Long-Lasting Yields
Now upgraded for 2025:
Ultimate ½ Pint Substrate Jars (12-Pack) pearl oyster these plates help your sporesUltimate 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