Unleavened brew is treated like a water bottle by the diffuser
Fluid mixer rendering derpage
Potion colors don't match between held item and diffuser
Diffuser empty doesn't respect stack size
Diffuser isn't balanced for survival
Shift clicking a filter into the fluid mixer places it in the potion slots
Shift clicking a completed potion out of the fluid mixer places it in the third hotbar slot
Add inline documentation. Look up how to make proper javadocs.