UpgradesModification Station
Ultra high capacity tank
Additional air capacity.
Inventory 3×3Slot TankOxygen 225 s at the surface
How to get
Fragments
Ultra Capacity Tank Fragment
Scan 3× Ultra Capacity Tank FragmentNearest to your start: Koppa Mining Site, 812 m SW, 167 m deep · >99% chance at least one spawns there
| Where | At least one | Expected | Depth | From your start |
|---|---|---|---|---|
| Lily Pads, outside wrecks6 random spots · up to >99% each | >99% | 6 | 222–269 m | 1.20 km SE |
| Koppa Mining Site2 random spots · up to >99% each | >99% | 2 | 167–226 m | 812 m SW |
Fragment finder lists every blueprint.
Below Zero data: build 53872 (Oct 2025)