Slow Drain vs. Full Clog: How to Tell the Difference
A sluggish sink, tub, or shower can come from everything to grease buildup to a developing blockage. But a slow drain and a full clog behave differently, and those differences can guide what to do next—whether it’s simple maintenance or urgent intervention.
Here’s how to tell the difference quickly and safely before the problem worsens.
1) How quickly the water drains
The most noticeable clue is timing. A slow drain typically drains but takes much longer than normal. A full clog often stops drainage entirely, causing water to remain in the fixture.
As a practical check, run water for about 20–30 seconds and observe the level over the next minute. If it steadily lowers, you’re likely dealing with a partial obstruction. If it barely moves or immediately backs up, a fuller blockage is more likely.
2) Wh ... Read more »
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