Actually, no. No sugar. That would leave a sticky residue behind. Salt would be better - ah ha! He grabbed the canister from the cupboard, then began searching for a bowl.
"That's a ghostly chill. Trust me, I know the difference," he said hastily, dumping the salt into the bowl. "Salt's been used as a cleanser for thousands of years so it should work for now. And the difference between ghosts and spirits is that a ghost is tormented and can't pass over to the next realm. A spirit already has, so ghosts are usually the ones trying to take care of unfinished business, hence the hauntings."