A: There are a few things that can cause a ring to form around the base of the toilet bowl. One is simply a failure to clean regularly, but this is not the problem you are having.

Here are the most common sources, with fixes for each. 1. Loose water supply line connection. The supply line might be leaking at its connection to the toilet tank or the valve.

There are three key parts to a good connection between the base of the toilet and the sewer line it feeds into, says Roy Barnes, a plumber with roughly 30 years of experience, and the co-owner of ...

Here are the most common sources, with fixes for each. 1. Loose water supply line connection. The supply line might be leaking at its connection to the toilet tank or the valve.

Here are the most common sources, with fixes for each. 1. Loose water supply line connection. The supply line might be leaking at its connection to the toilet tank or the valve.