UnionLib (Potions & Fluids)

This allows mods to communicate what potion maps to what fluid

Which Minecraft do you have?

Every version of the game needs its own build. Pick yours, then download — the wrong build installs fine and then does nothing in the game. This mod is built for Forge only.

Minecraft 1.19.3Newest
Minecraft 1.18.2

⬇ Download for 1.19.3 ⬇ Download for 1.18.2

I don't know my version or loader

Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.

No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.

Open in MCModsHub Get it on Google Play →

Verified by MCModsHub

Ships as UnionLib (Potions Fluids)-1.19.3-2.0.0-Forge.jar — drop this file into the mods folder
Download size: 11 KB
Download link checked 14 Aug 2026 — working

These come from our own check of the pack file, not from the source page.

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