Instant Oxygen Refill

Makes the oxygen refill immediately, like in pre-1.13 versions.

23 Downloads

neoforgegame-mechanicsutility

About this Mod

Are you annoyed by how slowly oxygen refills?
This mod restores the pre-1.13 oxygen behavior.
Now it refills instantly!
Additionally, it makes water breathing potions and conduits fully refill oxygen instead of just maintaining it.

The mod is for NeoForge.
It works straight away, no configuration required.

Feel free to use it in your modpack!

Available Versions

Instant Oxygen Refill 1.0.0release

MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11neoforge

May 16, 2026

How to Install Instant Oxygen Refill on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.11).

Install Mod

Open the mod browser in the dashboard and search for "Instant Oxygen Refill". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.11, 1.21.10, 1.21.9 (+9 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Instant Oxygen Refill server crashes on startup – what to do?

Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.

Is Instant Oxygen Refill compatible with neoforge?

Instant Oxygen Refill officially supports neoforge for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Instant Oxygen Refill – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Instant Oxygen Refill consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.