"Pillbottle floatball upthrust."
Now there's a phrase I thought I would never say.
Speaking of upthrusting, click that vote button!
On occasion, a toilet's drainage stopper can have a bit of floating problem, in that it won't be totally airtight. This will make the stopper float upward, causing water to continuously drain out of the tank. Enter scrub brush to save the day (and the water bill...)!