There is no definitive answer, as hard water can cause some water spots and streaks on cars, which can be difficult to remove. Ultimately, it depends on the surface of the car and how much soap you use.

There is no one answer to this question as hard water can have a variety of effects on different types of paint. In general, however, hard water can cause the paint to become cloudy, thin, and less durable.

Hard water is better because it has a higher acidity level which breaks down the plastics and helps to clean the car. Soft water doesn’t have as high of an acidity level, but it can cause some plastics to not break down as well and the car can be more difficult to clean.

There are a few ways to soften water for washing your car. One way is to add a cup of warm water and 1 tablespoon of dish soap to the washer. Use the machine on low speed, and then wait until the water has softened before starting the wash. Another way is to heat up some water and add it to a pot or pan with a small amount of dish soap. Stir until the soap molecules are combined, then pour the hot water mixture into the washer.

One way to get hard water spots off your car is to use a car washer and dryer. Hard water spots can be removed by using a mild detergent and a dryer cycle.

There is no scientific consensus on the effects of vinegar on car paint, but many experts believe that it may cause some temporary damage.

Yes, water marks are permanent on cars.

Use a plunger to suction onto the suds and pull until the suds are all gone.

There is no one-size-fits-all answer to this question, as the best water to wash a car with will vary depending on the type of car and its specific needs. However, some common suggestions for washing cars include using a freshwater or chlorinated water mixture, using a detergent that is specifically designed for cars, and using a mild soap.

There is no one definitive answer to this question, as the best way to soften hard water is vary your methods and see what works best for you. Some people use a softener or faucet filter to softened their water while others use a powerful stream of hot water. Experiment to find the perfect way for you to softened your hard water!

Yes, you can pressure wash with hard water. However, be sure to use a strong detergent and check for damage before completing the process.

There is no one definitive answer to this question. Some people swear by using a water softener in conjunction with a washing machine, while others believe that a water softener is not necessary at all. Ultimately, it depends on the specific needs of your car and the way you wash it.

Not much, just a small amount of soap and water.

Windex is effective at removing hard water spots. It should be used in a circular motion, being careful not to hit the water droplets on the surface.

Hard water stains can look a variety of colors, but typically they are dark and thick.

WD 40 does not remove water spots.