you’re trying to prevent.
Why Would Anyone Cover a Sink?
A sink drain connects to your home’s plumbing system. Under normal circumstances, water sitting in the drain trap helps prevent sewer gases from entering the home.
When a house sits unused for an extended period, however, water in plumbing traps can gradually evaporate, particularly in warm or dry conditions.
Once that water seal is lost, unpleasant odors can potentially travel through the drain.
Covering a sink drain can help reduce the amount of air exchange through the opening, but it
