You’ll still want to run a brush around the bowl occasionally, especially near the base, but the buildup will be far lighter and the bathroom will smell fresh continuously rather than only right after cleaning. It’s a low-maintenance way to stretch the time between deep scrubs. Just check that the bottle sits clear of the float and fill valve inside the tank so it doesn’t interfere with a normal flush.
A Bottle in the Tank Keeps Your Toilet Cleaner Between Scrubs
