How to prevent condensation and mould forming on windows with 30p kitchen staple

Condensation happens when your home is too humid and the warm air hits cold surfaces. This leads to the air cooling quickly and forming droplets on nearby surfaces such as windows/walls. There are lots of different causes of condensation. These can include the weather and activities that take place within your home on a daily basis. After the formation of the droplets and dampening of surrounding walls caused by condensation, mould can start growing as small black dots. If you’re busy, you may not even notice the droplets until you spot the mould.

Fans of Mrs Hinch have taken to dedicated cleaning Facebook pages to share their best suggestions for preventing condensation and mould growing on windows after one woman asked for some advice.

Denise Dos Santos wrote: “Getting condensation in conservatory and house windows. Black mould is starting to appear at places and I wonder what is the best thing to clean this with to keep it away for as long as possible?

“Also any tips on reducing condensation appreciated. Tried having windows open a crack and it didn’t help at all.”

Out of all the comments the post received the most popular was to use salt. According to the cleaning enthusiasts it is “guaranteed” to show effective results.

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Danielle Cooper said: “Get a small dish of salt on your window sills. I can guarantee it works. It’s cured the condensation for me.”

Angie Doran commented: “Bowls of salt near windows really does help and it saves having to buy a specific cleaning product.”

Christine Wilson wrote: “I bought a dehumidifier to get rid of damp and mould. Yes it worked, but the electric bill was horrific and now with two increases I can’t afford to use it. So I have been using salt and the results are amazing.”

Doris Buckley replied: “Crack the windows all day. Wipe the wet windows with a towel. Salt near the windows at night. I have done this for years and it’s never failed me.”

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For those who have left salt on their window sills for a few days and found that it has gone hard. Julie Glover advised: “Put it in the microwave after to soften it so you can reuse it.”

When some Mrs Hinch fans suggested using a dehumidifier, Breanda Seed wrote: “Here’s a cheaper way, grab a big plastic tub and make your own dehumidifier by putting salt in it, or anything that will absorb moisture.”

Salt can be found in most households but for those who don’t have it, it can be bought from most local supermarkets relatively cheaply.

Known to dehydrate and absorb moisture, salt is a cheap and effective way to reduce moisture caused by condensation.

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This easy hack will work overnight, leaving your glass panes free from dripping water vapour as you wake up.

Sainsbury's Table Salt Bottle costs 55p while Cook With M&S Table Salt costs 35p from Ocado.

Asda Table Salt costs 30p and Essential Table Salt costs 90p from Waitrose.

Matthew Sullivan, cleaning expert at ohsoSpotless, also recommended using salt to use as a dehumidifier.

He said: “Rock salt is a natural hygroscopic material that absorbs moisture and stores it — similarly to dehumidifiers. However, rock salt is completely natural, non-toxic, and requires no electricity. People love to use rock salt as a natural dehumidifier, mainly because it’s affordable and non-toxic.

“Quickly construct your own rock salt dehumidifier using two buckets or any other containers. The main requirement is that the two containers are stackable.”

To create your own salt dehumidifier, start by drilling holes in the bottom of the top bucket. Additionally, you can cut a few holes around the sides of the top bucket. After placing the drilled bucket into the bottom bucket, add enough salt to fill about a quarter of the bucket.

The expert added: “Place your homemade dehumidifier strategically where it can collect the optimal amount of moisture. If available, you can place a fan close to the bucket — the air will help to guide the moisture into the salt trap. As a result, the rock salt will extract moisture from the air and collect it in the bottom bucket.”