BRF Jars Mushroom Substrate (12 Pack)

Key Benefits

• 🍄 Ready to inoculate — Fully sterilized, hydrated half-pint jars ready for immediate inoculation with 2-4cc of spore culture.
• 🥄 Brown rice flour and vermiculite — Made from nutrient-fortified brown rice flour and vermiculite, the proven recipe used for 10 years.
• 💪 Works with gourmet mushroom strains — Serves as the perfect growing medium for almost any gourmet mushroom strain.
• 🔬 Self-healing inoculation port — Flat grey self-healing inoculation port allows easy needle insertion with a circular motion for even spore distribution.
• 💨 Gas exchange filter included — Each jar has a built-in gas exchange filter, eliminating the need for an extra vermiculite layer.
• 🎯 Birth-ready after colonization — Once fully colonized, the cake can be birthed directly to your desired fruiting chamber for mushroom production.