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Why wash your car after it rains?

Updated: Jul 5, 2021

One of the most important times to wash your car is immediately after a rainfall. Many people think that when the car sits under the rain, the rainwater will wash the dirt and salt off the car. Not true. Actually, rainwater can cause even more damage than it helps.


Acid Rain on car paint as rain falls, it collects pollutants and contaminants from the air, and this is called Acid Rain. The Acid Rain has etched its way into the paint and caused defects. The only way to remove the etching is to polish and buff it out with a dual action polisher and professional-grade buffing pads. Even after a short rainfall, rainwater and pollutants collect on your vehicle. The rainwater eventually evaporates, leaving a thin layer of pollutants that can damage your car’s finish. The longer you leave the pollutants and contamination on your vehicle’s finish, the more damage it will inflict on your car’s paint finish.


It is recommended that you wash your car no more than 10 days after driving on a road treated with road salt.

Many people are very busy, and time always plays a factor. In reality, washing your car, even once every two weeks, can be a great way to protect your car from the salt that can eat away at the exterior of your car and create rust.




It is recommended that you get a protective finish that will keep the salt from doing too much damage to your car. One of the most amazing products we offer is our Opti Coat Hyper Seal. It’s immune to road salts, dirt, and grime. To sum up the point of this car detailing tip, hand wash your car as much as possible, especially after driving in the salt, and also after it rains.


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