Hand made these BRF cake jars are prepared with Premium Coarse Vermiculite and organic brown rice flour for the best result. Jars are sterilized and ready to inoculate. There are a self-healing port and 0.2-micron syringe filter equipped at the jar lid for sterile incubation and fresh air exchange during the colonization.
125ml regular mason jars with perfectly prepared and sterilized BRF cake.