People advised not to open their bathroom window after shower

It's a common practice to open a window after a shower, letting out the steamy, humid air. Many homeowners might think it's a simple and effective way to prevent mould growth in the most vulnerable room.

However, experts have issued a warning that this daily routine could actually be encouraging mould growth in the bathroom rather than preventing it. In many cases, it could be the reason you're noticing patches of the black fungus in the room.

Specialists at Shutter Store explain that opening the window after a shower, especially when the outdoor air is colder than indoors, allows the chilly outside air to mix with the warm, moist air from the bathroom.

This leads to water vapour condensing quickly on surfaces, creating the

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