How to Upgrade Air Tank in Subnautica: Below Zero?

Best Answer

First, craft the Standard O2 Tank at the Fabricator, then unlock the blueprints for higher capacity tanks by scanning Databoxes. Easy peasy!

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More Answers

CopyingSole·6 months ago

You gotta find a Modification Station! Craft it and use it to upgrade your air tank to either High Capacity O2 or Ultra High Capacity O2 Tank.

AffordingAggie·6 months ago

Just hit up the Fabricator for the Standard O2 Tank and then search around for blueprints to craft better ones. Happy diving!

DroppingSway·6 months ago

Honestly, just stick to the Standard O2 Tank and save yourself the hassle. *ducks for cover*

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