Thank you! So it seems that there might be something to this claim, as at least some toilets in Aussieland are flushing in a “different” direction. Now what needs to be better evaluated is how consistent the direction here in America is in the first place. Personally I assume that there is some kind of convention established in American plumbing as I feel like I’ve never seen a toilet flush a direction contrary to my expectation, but I do concede this could be one of those things where we subconsciously ignore it.