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How Do I Prevent Water Spots on My Car?
Water spots form when droplets evaporate and leave minerals or contamination behind. The best prevention is to stop contaminated water from reaching the paint—or remove it before it dries.
Quick Answer
Prevent Hard Water From Drying on the Paint.
Water spots are caused by evaporating droplets of hard, mineral-containing water. To prevent water spots, you need to eliminate the hard water source or dry off hard water before it can form a spot.
Water Spot Prevention
Easy Steps You Can Take to Prevent Water Spots
Prevention depends on where the water comes from, how long it remains on the car and whether the finish encourages droplets to sit or sheet away.
Eliminate the Source
Look for the root cause of the water spotting. Are you parked near a sprinkler? Do you wash your car in direct sunlight? Take steps to avoid these water spot risk factors.
Dry Paint Thoroughly
Water spots often arise from poor drying technique after washing your vehicle. Always dry paint thoroughly, ideally using a blower and a twist-loop microfiber towel.
Manage Water Behavior
If the vehicle is kept outdoors, consider hydrophilic protection that encourages water to lay flat and sheet off instead of forming tight beads that can dry into water spots.
Free Printable Decision Tool
Eliminate Water Spots for Good.
Use the Water Spot Prevention Decision Guide to trace the source of your water spotting and eliminate it entirely. This guide will help you:
Identify the source of your water spotting issues
Take steps to mitigate or eliminate recurrent water spotting
Master basic water spot avoidance best practices
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