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Content from:  Torque

Water spots can eventually ruin your car's paintwork if they remain on it for too long. Here's how you can prevent them from occurring.

Category: Car Maintenance Advice


Wet weather brings cooler temperatures for everyone to enjoy. But if you're a meticulous car owner, the rainy season also makes you worry about water spots marring your paintwork. They look especially bad on a dark-colour finish.

Left on paint for too long, they'll become tough to remove, often requiring you to polish your car. If they get 'baked' on because you have to park outdoors, removing them might require a trip to the car detailer.

Now, before anything else...


What are water spots?

Water spots occur when water evaporates and leave behind contaminants on the car's surface
Rain water will always have either dirt or trace minerals in it.

What you see on your car's surface isn't actually water. It's the contaminants that are left behind after the water has dried or evaporated.

In theory, they should be easy to remove. However, once 'baked' on, these contaminants can harden. So, how do you stop them from forming?
 
 
Protect your paint/clear coat

The hydrophobic effect of waxes and coatings helps water to bead and slide off easily
A layer of wax, sealant or a ceramic coating can go a long way towards helping prevent water spots.

Waxes and coatings make your paintwork more slippery than usual. This helps water bead and/or slide off. And since the clear coat has a protective layer, the chances of water spots forming are greatly reduced.

Tight clusters of water beads are a good indication that your paint is still protected. As you drive, most of them will fly off your vehicle, thus reducing the build-up of dirt.

A protected vehicle is also easier to clean and wash. Don't forget to use a dedicated car shampoo to avoid stripping the wax or sealant.
 
 
Dry your vehicle after driving in the rain

Just drove through a rain? Dry your vehicle to prevent water spots from forming!
Detailing fanatics will disagree, but you don't actually have to wash your car before doing this.

If you have drying towels in your car, use them to dry it after you've parked in your basement or multi-storey carpark. Pat the surfaces dry. Do not wipe or rub them, as you risk dragging the contaminants over the paint and scratching it. Periodically fold or turn the towel to ensure you use a clean section of it.

If you have a quick detailer in your vehicle, apply it together with another clean towel. This time, you can gently wipe it across your paintwork. Quick detailers have lubricants that help lift dirt away and prevent it from touching your clear coat.

If you're in a rush, just dry the horizontal surfaces, the bonnet, roof and boot lid, since these are where water spots usually form.
 
 
Park in a sheltered space

Don't want water spots? A sheltered parking spot is just what you need
If you want to prevent water spots, the best thing to do is to park in a sheltered carpark whenever possible.

Even if your car is already wet and you can't dry it, parking it under shelter will still at least help prevent the drops from being baked onto the paintwork.
 
 
Here are some articles you might be interested in

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9 paint protection specialists that Singaporeans can rely on

It takes not just diligence, but also the best paint protection to keep your car water spot free. Check out these highly recommended detailing experts who can give you a hand.
Torque The article first appeared in the September 2020 issue of Torque. Log on to their website to subscribe.

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