If you want acid in Minecraft but haven't found a good mod, I was in the same predicament, so I made this mod. There are two simple things included: a block/fluid and a bucket of that fluid. The recipe is simple: just place a poisonous potato in a brewing stand, then add a bucket and start brewing.
Project members
bartsimsonfrompmc
Member
Technical information
License
CC0-1.0
Client side
required
Server side
required
Project ID