Midwest's Select Bulk Substrate Casing Mix - 7.5 poundsMidwest's Select Bulk Substrate Casing Mix 7. 5 Pounds Pasteurized Hydrated Ready to Use Take the guesswork out of bulk mushroom growing with Midwests top selling Select Bulk Substrate, now available in a convenient 7. 5 lb bag. Specially crafted for grain or dung loving mushrooms, this premium mix is fully hydrated, pasteurized, and ready to use right out of the bagperfect for monotubs, totes, or container grows. Designed for the popular bulk or

and quality control work

you can also explore our bulk substrate collection and larger fruiting systems

Pink Oyster Mushroom Fast Facts

Massive 24

With no mixing or measuring needed

Self-healing high-temperature injection ports for sterile inoculation

and handling robots used in commercial mycology production and research lab workflows

padding: 16px

Portobellos appear as small white or light brown mushrooms

Fruiting Temp: 60–75°F

Pink Oyster is warm-weather (65–80°F) with a bacon-like flavor when crisped

Video Overview