
Just the block. $20.
Ships next day · Harvest in ~14 days · Cut · Mist · Harvest
✓ Same 30-day ShroomBag guarantee →Reuse your box. Refill it forever.
A 5lb fully-colonized substrate block, the same live, ready-to-fruit block that comes inside the kit, but on its own. Pick a strain, drop it into the ShroomBag box you already own, and start growing.
- One 5lb colonized block
- Strain of your choice
- Ships next day, ready to fruit
- No box
- No mister
- Reuse the ones from your kit
Same process. New strain optional.
Drop in the block
Open your ShroomBag box. Place the new 5lb colonized block inside.
Cut & mist
We don't mark a spot. Make one cut, 4 to 5 inches long, anywhere on the front. Mist twice a day.
Harvest in ~14 days
Twist and pull at the base. Expand outdoors when the block is ready to keep fruiting.

