12x PF Tek BRF Jars (250ml)

Sale price $89.99 Regular price $99.99

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12x 250ml regular mason jars with perfectly prepared and sterilized BRF cake.

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.