To use the Ancestral Infuser, Infused SoulSand containing spirits must be placeddirectly underneath the Infuser. Additionally,there must be a 1 block gap in each cardinaland diagonal direction from the Infuser andthe Soul Sand.It must also be very dark to use the Infuser.It must at I east be dark enough for mobs tospawn in the vicinity. Redstone torches can beused to provide a dim light, so long as theyare not placed in the 1 block air gap.A correctly setup Ancestral Infuser will turnbright red if Spirits are contained in theSoul Sand.