Potion ID Packet Fixer Mod is a small but essential mod that fixes a vanilla Minecraft issue related to potion effects. In vanilla, if you have more than 255 potion effects, the client receives incorrect effect data due to a packet limit.
Features:
- Prevents incorrect effect data when over 255 potion effects are registered.
- Essential for heavily modded Minecraft setups.
- Fixes an issue without adding extra content.
Screenshots:
Potion ID Packet Fixer Mod Download Links
For Minecraft 1.20.1
Forge/NeoForge Version: Download from Server 1 – Download from Server 2
For Minecraft 1.19.2
Forge Version: Download from Server 1 – Download from Server 2
For Minecraft 1.18.2, 1.18.1
Forge Version: Download from Server 1 – Download from Server 2
For Minecraft 1.17.1
Forge Version: Download from Server 1 – Download from Server 2
For Minecraft 1.16.5
Forge Version: Download from Server 1 – Download from Server 2
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.1, 1.19.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as 197319.mcaddon
- Download size: 10 KB
- Download link checked 26 Jul 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.