Tiny Flies in Your Bathroom? Here's What They Really Mean—and How to Get Rid of Them

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Why You Shouldn't Ignore Them

Seeing one or two drain flies may not seem like a big deal, but they often indicate that your drains need cleaning.

If left untreated:

• Their population can increase rapidly.
• The drain buildup continues to grow.
• Bad odors may develop.
• Drainage problems may become more noticeable.

The insects themselves are not usually the main problem—the hidden buildup inside the plumbing is.

How to Get Rid of Drain Flies

The most effective solution is to eliminate the breeding source rather than simply spraying the adult flies.

Experts recommend:

1. Clean the Drain Thoroughly

Use a drain brush to remove slime and debris from the inside walls of the pipe.

2. Flush with Hot Water

Pour hot (not boiling for PVC pipes) water down the drain regularly to help loosen buildup.