Custom Fluids can't be put in Cauldrons. It's this little feature that could be so helpful for a number of things.
#Fluids in Cauldrons??
dense silo
grave thunder
cauldrons are not fluid handlers, they get converted to other blocks when you use water/lava/snow on them, there's a mod already out there that will do that for you
capable cauldrons or something like that
among the many others out there lol
ornate ocean
capable calldrons does not allow custom fluids to be put in cauldrons
grave thunder
can see how much I pay attention, know it make them interactable, guess I didn't look further
modern dune
either way this is… basically out scope for kubejs lol
needs very invasive mixins and patches for something another mod can do easier and better
dense silo
Geez, seems so complicated for such an old and simple looking block to be honest