How to Increase Oxygen in Subnautica

Best Answer

Upgrade to the Ultra High Capacity Tank for 225 seconds of sweet, sweet oxygen. You'll need a Modification Station to craft it, so start scavenging!

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More Answers

TrainingLace·3 months ago

Don't forget to build an O2 tank in your Cyclops and Seamoth for portable oxygen sources. Also, the Rebreather helps you conserve oxygen at greater depths.

AutocancellingWeek·3 months ago

Get the High Capacity O2 Tank ASAP; it boosts your oxygen to 135 seconds. It’s a game changer! You can craft it in your Fabricator after finding the blueprints. Dive deeper, my friend!

RatingLink·3 months ago

Dude, just don’t forget to breathe! But seriously, grab the High Capacity O2 Tank.

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