haklriueo

> When we put that coating on a toilet in the lab and dump synthetic fecal matter on it

This reminds me of a documentary about toilets, and one factoid was that American toilets were much worse at flushing than Japanese ones, and would block more frequently, and it turns out that American ones were tested with a small standardized rubber ball, while Japanese ones with the real deal, including big productions.

Probably because it requires extra plumbing, not to mention a storage tank. And most places don't have a fresh water shortage.