High Capacity Air Tank

HarvestMaterial
Category
Material
Obtain
Harvest

Overview

Expanded air supply for longer dives. Used as a crafting ingredient in Ultra High Capacity Air Tank, requiring 1 per craft at the Fabricator. This positions High Capacity Air Tank in the equipment progression, where crafted tools and gear expand the player's exploration range, survivability, and resource-gathering efficiency. Intermediate materials like High Capacity Air Tank create the logistical challenge that defines Subnautica 2's survival crafting. Unlike raw resources found in the world, materials must be intentionally produced, adding a planning layer between exploration and equipment readiness.


Used in Crafting (1)


How to Obtain

Biome data pending — obtained by harvest

Tips & Strategy

Needed for Ultra High Capacity Air Tank (1x per craft) — collect at least 2 to allow crafting with a safety margin.

Keep High Capacity Air Tank organized in labeled storage near your primary crafting station — maintaining an ordered inventory prevents wasted time searching for materials during urgent crafts.

All recipes using High Capacity Air Tank are crafted at the Fabricator — store your supply near this station for maximum efficiency.

Explore different biomes systematically to discover all High Capacity Air Tank sources — harvested organic resources often appear near specific flora or fauna, and identifying these associations makes future gathering predictable.

When gathering High Capacity Air Tank for Ultra High Capacity Air Tank, also collect Troilite and Atacamite on the same trip — completing all recipe requirements in one expedition saves significant travel time.


Subnautica 2 Gameplay

High Capacity Air Tank icon

High Capacity Air Tank

material · harvest
Details
Category
Material
Obtain
Harvest

Frequently Asked Questions

What is High Capacity Air Tank used for in Subnautica 2?
High Capacity Air Tank is used to craft: Ultra High Capacity Air Tank.
How do I obtain High Capacity Air Tank?
High Capacity Air Tank is obtained by harvest.
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