artifecal oops artificial onsen with recycled warm-hot water is gross. this is because micro fecal matter stuck in buttholes is loosened by wading and sitting in warm to hot water for over an hour or 69 minutes. the warmer temperature in the onsen helps fecal bacteria to thrive and multiply. jap onsens in jp which hardly clean their baths have some of the world’s highest concentration of fecal bacteria. they are petri-dishes of swimming shit from over 69m visitors for the last 69 years.