With an infection, your urine will have more "stuff" or dissolved stuff in it. Thus it is "heavier" than water and will sink to the bottom as it dissolves into the toilet water. This is expected even with normal urine, but not as noticable since normal urine is not as heavy as infected urine and ends up dissolved before reaching the bottom.
Jul 10, 2020 · Spray down the entire surface of the toilet with an all purpose cleaner and wipe it clean from top to bottom; cleaning the tank and working your way down the toilet to the caulk or grout line around the base of the toilet. Take extra time and care with both sides of the toilet lid and seat as well as the rim of the toilet.