HB4 Worm Based High Performance Substrate

HB4 Worm Based High Performance SubstrateFive or ten pounds of perfectly hydrated substrate, pasteurized, ready to mix with your colonized grain. Coco coir, vermiculite, gypsum, and worm castings, balanced to field capacity. No manure smell. No guessing hydration levels. Break it up, layer it in your tub or tray, and watch your mushrooms grow. We use worm castings instead of horse or cow dung. Same slow release nutrients that dung loving species need, but cleaner to work with and less

mix with HB4 bulk substrate in a monotub to start fruiting

No manure smell

autoclaved at 123°C for 90 minutes

Four pounds of sterilized grain pre-spawn

Store at room temp for up to 6 months until opened

and watch your mushrooms grow

Same slow-release nutrients that dung-loving species need

balanced to pH 6

One 4 lb bag of grain per 10 lb bag of HB4 makes one 32-quart monotub or 2x 10x20 nursery trays

Stable batch to batch so you can dial in your Tek

Pair with our Multi Grain Matrix sterilized grain pre-spawn

No still air box