shower grout mold

Ventilate. Mold is a moisture problem before it's a cleaning problem. Run the fan for a full twenty minutes after.

The method

1. Ventilate. Mold is a moisture problem before it's a cleaning problem.
2. Squeegee the walls after showering. It's the single highest-impact habit.
3. Run the fan for a full twenty minutes after.
4. Don't rely on bleach for a recurring problem.
5. Check for failed caulk at the corners — that's often the real source.

Why the common fix backfires

Bleach removes the color from mold without removing the mold, so it looks clean and comes back darker. It also degrades the grout itself over time, which opens more pores for it to grow in.

The honest limit

If moisture is getting behind the tile, no surface treatment fixes it. That's a repair, not a cleaning.

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