Custom Fluid Mixin
A mod that let you decide (using Data Packs) what happens when fluids flow
About this Mod
Using Data Packs you can make a flowing fluid place a block, explode or execute an .mcfunction.
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JEI Support since 1.1.0!
Check here for documentation and the example DataPack
Available Versions
How to Install Custom Fluid Mixin 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 (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Custom Fluid Mixin". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1, 1.19.2, 1.18.2
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Custom Fluid Mixin 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 (1.20.1). You can switch loaders with one click in the panel.
Is Custom Fluid Mixin compatible with forge and neoforge?
Custom Fluid Mixin officially supports forge, neoforge for Minecraft 1.20.1, 1.19.2, 1.18.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Custom Fluid Mixin – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Custom Fluid Mixin 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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Install Custom Fluid Mixin with just one click on your server.