Type
Equipment recipe
Emergency oxygen equipment
Subnautica 2 Air Bladder Recipe
Equipment recipe
Keep the Air Bladder accessible before a cave or wreck trip. Its stored air provides brief emergency support, while the ascent function needs a clear path overhead. Refill it at the surface after use.
Reviewed .
Station
Fabricator
Route
First-hour oxygen safety
Status
Fabricator recipe
Blueprint facts
Use this row set when you need the station, unlock condition, output, and downstream planning without losing the route context.
Category
Emergency oxygen gear
Produces
Air Bladder
Crafted at
Fabricator
Unlock requirement
Starter Fabricator recipe; no fragment scan is required.
Scan requirement
None
Used in
Oxygen recovery, fast ascent, deeper starter-route mistakes, Welcome Center safety margin
Recipe or unlock row
2 Titanium + 1 Rubber → 1 Air Bladder at the Fabricator
Route order
Follow the unlock order before spending materials on lower-priority extras.
Step 1
Craft after starter tools
Reserve 2 Titanium and 1 Rubber. Basic Fins plus an Air Bladder need 3 Rubber altogether, made from 6 Lucifer Rotsacs.
Step 2
Select it underwater
The Air Bladder blue bar is stored oxygen, not battery charge.
Step 3
Press F for oxygen
Use the inhale prompt when you need an underwater oxygen buffer.
Step 4
Right-click to ascend
Use fast ascent when the shortest safe answer is the surface.
What it unlocks
F oxygen refill
Right-click fast ascent
Reusable surface refill
Safer short detours
Player decisions
Raw material budget
2 Titanium + 2 Lucifer Rotsacs, converted into 1 Rubber.
Stored supply
The blue bar is stored oxygen, not battery charge.
Caves and wrecks
Inhale for emergency air while following the exit; ascent cannot carry you through a roof.
Questions people ask
How do I use Air Bladder?
Select it underwater, press F to inhale oxygen, or right-click for a fast ascent. Surface afterward so its stored oxygen refills.
Does Air Bladder replace Standard Air Tank?
No. Air Bladder is emergency recovery. Standard Air Tank gives better baseline oxygen for longer routes.
Related recipe and blueprint pages
Air Bladder item page
Controls and oxygen-safety explanation.
Oxygen and depth
How oxygen tools, tanks, and route length fit together.
Standard Air Tank
The first oxygen upgrade after the Silver route.
First Hour guide
Starter route for Survival Multitool, Basic Fins, Water, Air Bladder, Portable Storage, and Basic Battery.
Items & Materials
Search the item index for raw materials, tool pages, item renders, and route links.
Colonist Bunker 1 Silver route
Follow-up path for Silver, BioBed, Repair Tool progress, and Standard Air Tank.