Eww sick! Is that really my shower floor?
Enter the oven cleaning product you would never think to use:
Saturate the area & leave on for about 30 minutes:
This was my 1st attempt & since it was 9:30pm, I didn't want to keep working on it but you get the idea!
Be sure to get the Easy Off Fume Free in the blue can. Mine had a nice lemon scent! I am planning to go over this space again with the cleaner & use my trusty Magic Eraser: