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What can remove water scale on the car?

3 Answers
AdelineLee
09/04/25 5:53am
Water scale on the car can be removed by using automotive cleaning agents and sponges for scrubbing. Below are relevant introductions to car maintenance: 1. Exterior inspection: Before driving, check the condition of doors, engine hood, trunk, and glass. Inspect if there is any damage to the body, if the body is tilted, or if there are any oil or water leaks. 2. Engine and various fluids: Check the fastening condition of engine components and inspect for any oil or water leaks at engine joints. Adjust and tighten belts, and check the fastening condition of pipelines and wires in various parts. Top up engine oil, coolant, and electrolyte. 3. Tires: Check tire wear and clean the trunk. Replace tires when they approach the wear indicators. Inspect tires for bulges, abnormal wear, aging cracks, or hard damage. 4. Cleaning and lubrication: Clean oil stains from the engine hood, door, and trunk hinge mechanisms, and lubricate them. Generally, antifreeze should be replaced every 2 years during maintenance, and the cooling system should be thoroughly cleaned. Due to the hygroscopic nature of the braking system, brake fluid should be replaced every two years.
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VonAthena
09/16/25 6:52am
Water stains on the car are really annoying. There's often a white film in the corners of my windshield. To solve this, I directly use kitchen white vinegar, mix it with an equal amount of water in a spray bottle, spray it on the stained areas, wait a few minutes for it to react and dissolve the minerals, then wipe it off with a soft cloth. The acidity of the vinegar neutralizes the water stains without costing a penny, which is very practical. But a reminder: don't use it on metal parts or new car paint for fear of corrosion—test on a small area first. Develop the habit of drying the car immediately after washing or using softened water to reduce the source of the problem, keeping the car shiny and reducing headaches.
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VonEloise
10/30/25 7:25am
Water scale is essentially the clumping of calcium and magnesium ions in water after drying. As someone who knows a bit about chemistry, I recommend using acidic substances to deal with it. Mix household white vinegar with water at a 1:50 ratio, spray it on, and let it sit for a while. The acetic acid can react to form soluble salts that can be washed away with water, making removal easy. Avoid using strong acids that could damage the car or excessive amounts. Regularly check the car body and address any buildup promptly. Also, pay attention to changes in water quality to prevent issues in advance.
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