Potion ID Packet Fixer
Fixes packet issues due to potion ids above 255
About this Mod
If you have more than 255 potion effects registered, the client will receive incorrect information for potion effects above ID 255, due to an issue with vanilla packets. This mod fixes that issue.
Make sure you install the same version of this mod on both the client and server
Available Versions
How to Install Potion ID Packet Fixer on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.18.2).
Install Mod
Open the mod browser in the dashboard and search for "Potion ID Packet Fixer". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.18.2, 1.18.1, 1.18 (+2 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Potion ID Packet Fixer server crashes on startup – what to do?
Most common cause: wrong forge 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 (1.18.2). You can switch loaders with one click in the panel.
Is Potion ID Packet Fixer compatible with forge?
Potion ID Packet Fixer officially supports forge for Minecraft 1.18.2, 1.18.1, 1.18. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Potion ID Packet Fixer – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Potion ID Packet Fixer 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.
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Rent Modded Server
Install Potion ID Packet Fixer with just one click on your server.