Estimated toilet-flush substance’s journey

The Flush Tracker web site claims to: “[tell] you where your flush goes once it disappears down the toilet…. In which countries does it work? Flush Tracker is currently available in the UK, Ireland, South Africa and Poland.”

The web site shows a moving image based on an “estimate” of where and how fast the agglomeration travels. (Thanks to investigator Mark Dionne for bringing this to our attention.)