The line is likely clogged if it doesn't drain. To resolve, flush the line with a vinegar-water solution or use a wet/dry vacuum to remove debris. This Nu Calgon AC Drain Line Cleaner from Amazon ...

Blocked bathroom drains are a common household nuisance, often caused by a buildup of soap scum, grime, and hair. While many turn to the popular baking soda and vinegar method, experts warn that ...