or dry climates, some of that water can slowly evaporate. When the water level drops too low, odors may begin to enter the kitchen.
Covering the drain creates another physical barrier that can help reduce airflow and slow the movement of odors into the room.
Does the Paper Serve a Purpose?
Yes, although its role is fairly simple.
The sheet of paper acts as a clean surface between the sink and the glass while helping to cover the drain opening more completely.
It can also absorb small amounts of condensation
