I’ve seen it before. It’s some trendy thing I don’t get because don’t you have to wait for the tank to fill back up before you can wash your hands with water more than just a trickle?
It’s pretty common in Japan actually for a few reasons. One being space saving. And you got it the wrong way around the gray water from washing is used to flush.
I’ve seen it before. It’s some trendy thing I don’t get because don’t you have to wait for the tank to fill back up before you can wash your hands with water more than just a trickle?
It’s pretty common in Japan actually for a few reasons. One being space saving. And you got it the wrong way around the gray water from washing is used to flush.
https://www.snopes.com/fact-check/sink-toilet-japan/