- Recipe: 10x Stream + 2x Nutrients = "Sterile nutrients" (allows productivity)
- "Sterile nutrients" has no spoiling
- "Sterile nutrients" item and research which are only suitable for fueling Biochamber, not for recipe ingredients.
This way a player can leave all spoiling, but still can break infinite loop of spoiling, because now, you can at least store fuel for Biochambers
