Alchemy Flasks
Alchemy Flasks are the loaded flasks on a Flask shelf, the fuel every alchemy mix burns. They are never a backpack item: you put an Alchemy Flasks I on the shelf and it becomes 5 of them, an Alchemy Flasks II 10.
Each portion you mix at the Laboratory uses one, taken from the shelves in the same room; flasks anywhere else do not count. Mixing ten of something at once takes ten.
How to obtain
Loaded into
| Ingredient | Workbench | × |
|---|---|---|
1×  Alchemy Flasks I | Flask shelf | 5 |
1×  Alchemy Flasks II | Flask shelf | 10 |
It never goes into your backpack: loading the station stores it there, and the station's recipes draw on it.
Notes
- The Laboratory’s window shows how many are loaded (“Available flasks”), and a mix will not start without enough.
- Alchemy Flasks II hold twice as many: 10 per set, against 5.