ASK DANNY: How to flush out downspout debris

Joe Truini plumber's snake

Joe Truini uses a plumber’s snake to clean a downspout.

What if the downspout leads into the basement into a trap (not sure if that’s the word), and not outside? How can you flush it out with a garden hose?
Thank you. Please advise.
Anna Singh

The garden hose should still allow you to flush out the debris. However, sometimes you may need to use a plumber’s snake to dislodge any of the impacted debris.

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