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Fluid Interaction Tweaker

This is a CraftTweaker/GroovyScript addon that enables you to add more fluid interactions.
by tttsaurus
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92,986 downloads
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Updated Jul 6, 2026
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Addons CraftTweaker

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Overview

  • This is a (1.12.2 Minecraft Forge) CraftTweaker/GroovyScript addon that enables you to add more fluid interactions using the zenscript/groovyscript.
  • This mod doesn't extend anything on the vanilla water and lava interaction system. Instead, the mod creates a new general system for fluid interactions.
  • It can also act as a library mod for fluid interactions.

Features

Fluid Interaction

  • Fluid turns into another block when it comes into contact with another fluid.
  • Fluid turns into another block when it comes into contact with a block.
  • A block turns into another block when it comes into contact with fluid.
  • Any of the above reactions can trigger a series of events. The available events are as follows:
    • Placing a block
    • Explosion
    • Spawning an entity
    • Spawning an item
    • Placing a fluid (experimental)

Fluid Behavior

  • Fluids can perform a series of actions. The available actions are as follows:
    • Applying potion effects
    • Entity conversion
    • Instant forced fire extinguishing
    • Igniting nearby blocks
    • Covering nearby blocks with snow
    • Teleporting entities
    • Breaking blocks (experimental; only supports OreDict for now)

JEI Compatibilities

  • Thermal Foundation

Todo List

  • Update groovy support
  • Finish bop-jei compat (maybe also fixing bop's buggy fluid interactions)
  • Add abyssalcraft-jei compat
  • Add more conditions for interaction and behavior
  • Add abyssalcraft-like limited fluid spread mechanism
  • Add configurable boolean expressions for conditions

Suggestions/PRs are welcome!

Wiki

Here's the Wiki Link

Issues

Here's the Issues Link

Credits

This mod is created using GregTechCEu's Buildscripts

Dependencies

  • Optional: crafttweaker
  • Optional: groovyscript
  • Optional: zenutils (for crt reloading purposes)
  • Optional: jei (for recipes to be displayed)
  • Optional: modularui (makes jei recipes look better; no longer needed since v1.4.0)
fluidintetweaker-1.5.4.jar
MC Client, Forge, Server, 1.12.2
Release 2025-07-04 Get
fluidintetweaker-1.4.0-preview-2.jar
MC Client, Forge, Server, 1.12.2
Beta 2024-10-17 Get
fluidintetweaker-1.1.0.jar
MC Client, Forge, Server, 1.12.2
Alpha 2024-08-31 Get

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