Select from our variety of substrates. We offer 3lbs. Sterilized White Millet in 100% recyclable Unicorn Bags perfect for colonizing all species of mycelium, Gourmet and Therapeutic. Triton and Phoebe Substrates are perfect for fruiting colonized Therapeutic mycelium species, offering the perfect conditions for gorgeous fruits. Triton is a bio-solid based substrate and Phoebe is a vegan based substrate. For those wanting to grow Gourmet mushrooms, Oberon substrate is the most ideal environment for colonized mycelium to fruit and grow in. Engineered specifically for the indoor grower.