Sterilized Rye Berry - 4 x newest 4lb Bags

Sterilized rye grain bags for mushroom spawn are always made fresh to order.

Grains are hydrated, supplemented with gypsum and sterilized for 3h in All-American pressure cookers.

All products are prepared in front of an industrial newest grade 99.99% efficient at 0.03 micron HEPA Filter Flow Hoods.

See listing for a single bag:
https://www.etsy.com/ca/listing/1129574970/supplemented-sterilized-rye-berry-bags

If you have any questions feel free to contact us.