Thinking in the shower is next to godliness. Beyond the excellent accoustics and dramatic performances of singing in the shower, some of the best thinking comes from people in the shower. It stands to reason that more time in the shower would result in more and better thinking.

Longer showers consume enormous amounts of energy and potable water. There is a way to solve for this! Enter the recirculating shower.

showerloop.org

Or

civiljungles.com/what-is-a-recirculating-shower/