How to Get Ultra high capacity tank in Subnautica: Below Zero
Ultra high capacity tank unlocks by scanning 3 fragments, 3 s per scan.
Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.
The game files place no fixed pin for this blueprint, so there is no spot to show. Fragments of other blueprints are on the fragment map.
How to unlock Ultra high capacity tank
Scan fragments
- Pieces needed
- 3
- Scan time
- 3 s
- Fixed pins
- 0
The fragment is called "Ultra Capacity Tank Fragment" in the game.
The game files read for this page do not say whether you start with this blueprint.
What Ultra high capacity tank needs
In-game description: "Additional air capacity."
Crafted at: Modification station, craft time 3 s.
Menu path in the files: Modification station: High Capacity Tank.
About the Ultra high capacity tank blueprint
Ultra high capacity tank needs 3 fragments scanned. Once unlocked it is made from 1 high capacity o₂ tank, 4 lithium.
See all data boxes and fragments, or the full crafting list.