← Stain and Surface GuideMold and Mildew Stain Removal Guide
Mold and mildew thrive in damp, low-airflow spots, so removing the visible stain is only half the job. Improving ventilation and drying the area afterward keeps it from coming right back.
As an Amazon Associate, All Hour Cleaning earns from qualifying purchases. Prices and availability are subject to change.
Bathroom Grout
- Ventilate the room by opening a window or running the exhaust fan before you begin.
- Apply a grout-specific mold and mildew remover directly to the affected lines and let it sit for the time listed on the label.
- Scrub the grout lines with a stiff brush, working in small sections.
- Rinse thoroughly with water and dry the area with a towel to remove the moisture that mold needs to return.
Safety note: Never mix a mold remover with any other cleaning product, especially ammonia, since combining chemicals like bleach and ammonia can create dangerous fumes.
Fabric or Shower Curtain
- Take the curtain down and shake off any loose mold outdoors if possible, to avoid spreading spores indoors.
- Soak the fabric in a mix of warm water and an oxygen-based stain remover for at least 30 minutes.
- Wash the curtain on the warmest cycle the care label allows, adding an extra rinse cycle if your machine offers one.
- Hang the curtain to dry fully in a well-ventilated area rather than folding it away damp.
Safety note: Avoid combining bleach with any ammonia-based cleaner, and always wash mildew-affected fabric separately from other laundry.
Wood
- Ventilate the area and put on gloves before starting, since mold spores can irritate skin and airways.
- Wipe the moldy area with a cloth dampened in a mild soap solution to remove surface spores and debris.
- Apply a wood-safe mold and mildew cleaner to the stained area, following the label directions for dwell time.
- Dry the wood thoroughly with a clean towel and improve airflow in the area to prevent the mold from returning.
Safety note: Avoid soaking wood surfaces, since excess moisture can warp the material and create the exact conditions mold needs to come back.