10 Common Items You Should Never Pour Down the Drain

Flours

The Problem With Flour in Sinks

When flour meets water it becomes a sticky paste. That paste coats pipe interiors and traps passing particles.

Over time it thickens into a glue like mat, especially when blended with oils. Even small rinsed amounts accumulate. Wipe bowls with a paper towel first and toss the residue to avoid clogs.