Minecraft Version

1.15

Forge Version

31.2.20

Mod Version

1.3.0-33

Pretty self explainatory, I'm adding a screenshot. Running this on Enigmatica 5 0.5.0

https://imgur.com/a/4wczKMe

It's a fundamental Forge fluid issue, nothing I can do about it in the mod, sorry. Fluids are only partially implemented so far, in 1.14 and later.