If you’re trying to be savvy about saving water, use the un-hotted hot water supply line water to fill a pitcher. In case the water is too hot, let it cool. Use it to water your plants, fill your pets’ water bowl or dispenser, run it through a passive filler jug if you have concerns about water from your water heater, or add a little detergent while it’s still warm and go scrub your bathroom floors. Go, do it now, TheFartographer. You’ve been meaning to do it for days. Get off the Internet and go scrub your filthy bathroom floors right now. Why am I this way?