How to Prevent Mould Growth in Your Bathroom

Mould in the bathroom is not just an eyesore; it’s a health hazard. In Australia’s humid climate, especially in the wet season, bathrooms are the perfect breeding ground for mold. However, with the right strategies and habits, you can keep your bathroom mold-free. Here’s how:


1. Improve Ventilation

Mold thrives in warm, damp conditions, so ensuring your bathroom stays dry is crucial.

Use an exhaust fan: Turn on the exhaust fan during and after showers for at least 20 minutes to reduce humidity.


  • Open windows: If you have bathroom windows, open them daily to let fresh air circulate.
  • Leave the door ajar: Allow air to flow through your bathroom even after use.



2. Wipe Surfaces Regularly

Standing water is a mold magnet.


  • Squeegee your shower walls and floor: After every use, remove excess water with a squeegee.
  • Dry countertops and sinks: Use a microfiber cloth to wipe down surfaces daily.
  • Pay attention to grout and corners: These areas trap moisture and are prone to mold buildup.



3. Keep Your Bathroom Clean

A clean bathroom is less inviting for mold.


  • Use mold-preventing cleaners: Products with vinegar or hydrogen peroxide are effective. Alternatively, you can make a DIY solution by mixing one part vinegar with one part water.
  • Clean weekly: Dedicate time to scrub tiles, grout, and other surfaces where mold may form.
  • Declutter: Store toiletries in baskets or caddies to reduce the number of surfaces mold can grow on.



4. Fix Leaks Immediately

Leaking pipes or fixtures create constant dampness.


  • Inspect regularly: Check under sinks, around toilets, and near showerheads for signs of leaks.
  • Call a professional: If you find a leak, get it repaired immediately to prevent water damage and mold growth.



5. Seal Grout and Tiles

Grout is porous and absorbs moisture, making it a hotspot for mold.


  • Use a grout sealer: Apply a grout sealant annually to keep moisture out.
  • Replace damaged grout: If grout starts to crack or crumble, replace it to avoid water seepage.



6. Keep Humidity Levels Low

Bathrooms can become humid quickly, especially during hot Australian summers.


  • Use a dehumidifier: Consider a small, portable dehumidifier for bathrooms prone to high humidity.
  • Monitor humidity levels: Use a hygrometer to ensure the room stays below 60% humidity.



7. Wash Bathroom Fabrics Frequently

Mold loves damp towels and bath mats.


  • Dry towels immediately: Hang them on a rack or outside in the sun after each use.
  • Wash regularly: Clean bath mats, shower curtains, and towels weekly in hot water.
  • Choose quick-drying materials: Opt for microfiber towels and synthetic shower curtains that resist mold growth.



8. Use Mould-Resistant Paint and Products

Preventative products can make a big difference.


  • Mold-resistant paint: Repaint your bathroom walls with mold-inhibiting formulas.
  • Silicone sealant: Replace old caulk with mold-resistant silicone around bathtubs and sinks.



Final Thoughts

Preventing mould growth in your bathroom is not just about maintaining cleanliness—it’s about adopting habits that keep moisture at bay. Whether it’s improving ventilation, sealing grout, or washing fabrics frequently, these small steps will make a big difference.

Remember, if you already have mold in your bathroom and it’s too extensive to handle, it might be time to call in a professional cleaning service. At Cleangaroo, we specialize in creating spotless, healthy spaces for your home.



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