@Horrrflmlvr thankfully that part of the toilet is just water. The yucky stuff doesn't come into contact with the bottom of the tank.
If it's slimy, that's from your tank and water into the bathroom....kinda like the shower head or sink filter.
@Horrrflmlvr oh, not arguing that lol It's just less gross than you might think it is
@kismatt it still looks yucky