Hand made these grain jars 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.
4x 1 Quart hydrated and pre-sterilized rye grain spawn jars
2x 6lbs pasteurized coconut coir, vermiculite and gypsum mix substrate bags.
Grain jars are pre-sterilized at 15psi for 90 minutes at 121 Celcius degrees.
The substrate is pasteurized at 165F degrees for 4 hours and sealed.
The substrate is in a grow bag that has a .5 micron pore size filter patch.
coco/vermiculite rate is 2/1 and supplemented with 5% gypsum.