Beat Hong Kong's Humidity: 3 Mold-Fighting Tips

Hong Kong's climate is humid all year round, making it extremely prone to mold. Whether you are a homeowner or a tenant, preventing dampness and removing mold at home is an essential daily task. Whether it's mold in the corners, a smelly wardrobe, or the heavy, damp air causing discomfort, mastering a few correct methods can significantly improve your living environment, reducing health risks and property damage.

Below are 3 practical key points compiled, from dehumidifying and ventilating to daily maintenance, helping you keep your home dry and clean even in Hong Kong's humid weather.

Correct Usage of Dehumidifier

• Close windows when dehumidifying: When using a dehumidifier, doors and windows should be closed to prevent external moisture from affecting the efficiency
• Recommended humidity setting: Set the target humidity between 50% and 60% to best prevent mold and maintain comfort
• Concentrated use: It is most effective to dehumidify one room at a time; it is not recommended to use one machine for multiple rooms simultaneously
• Recommended time periods: Dehumidify for about 3 to 6 hours a day; there is no need to keep it on all day; turn it off when leaving home
• Regular maintenance is essential: Regularly clean the filter and empty the water to avoid bacterial growth

Ventilation and Exhaust Fan Usage Tips

• Timing Matters When Opening Windows: Open windows during sunny or dry midday periods, and close them during early mornings, evenings, or rainy days to prevent moisture
• Create Airflow: Opening windows at opposite corners can enhance air circulation, helping to remove moisture
• Correct Way to Use Exhaust Fans:

• When in use, close windows and leave doors slightly open to allow dry air to replenish indoor air and speed up moisture removal
• Turn on the exhaust fan immediately after cooking in the kitchen or showering in the bathroom to expel steam
• Clean the filter and fan blades once a month to prevent a decrease in airflow

Handling Mold Spots and Daily Mold Prevention Maintenance

• Cleaning Mold Spots: If mold spots are found on the corners of walls, the back of wardrobes, or ceilings, you can use 1:1 white vinegar water or diluted bleach to spray on the mold spots, let it sit for 10 minutes before brushing off and wiping dry
• Maintain Dry and Ventilated: After removing mold spots, ensure the area remains ventilated and dry. If necessary, use a circulating fan or dehumidifier
• Prevent Mold Recurrence: Apply anti-mold tape or paint on areas prone to mold to help prolong the cleaning effect

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