Bottled Air 1.21.8 is a Minecraft mod that lets players breathe underwater longer by using empty glass bottles. When swimming and the air bar is visible, simply right-clicking with a bottle allows you to restore part of your oxygen—offering a lightweight alternative to potions or conduits.
To avoid filling your inventory with water bottles, you can hold a fire-related item—like a campfire, fire charge, magma block, or lava bucket—in your off-hand. This causes the water bottle to evaporate and returns an empty bottle, though there’s a 50% chance the bottle will break.
Bottled Air 1.21.8 includes full configuration options, allowing you to change how much air each bottle restores, whether underwater consumption is enabled, and the probability of bottle breakage. It’s perfect for players who explore oceans, underwater caves, or want a more immersive survival challenge.

How to Install Minecraft Bottled Air Mod ?
- Download and Install Minecraft Forge
- Download Minecraft Bottled Air Mod
- Double-click on the file downloaded from Forge to run the installer.
- Unzip the downloaded file from the mod.
- Paste the downloaded file the folder .minecraft/mods
- Run Minecraft. Enjoy.
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