The Myth That Fixed Site Carwashes Save More Water Than Mobile Car Washes

Most people realize that if they take their car to a fixed site car wash, that these types of businesses reclaim all of their wash water, and recycle it, so they use less water than one would if they washed their own car in their own drive-way. If this is what you believe and this is your line of thinking, you would be correct. Now then, you might also believe that someone that does mobile car washing with a pressure washer and a water tank at your office uses more water than a fixed site car wash which recycles.

However, that is not the case, it’s a myth, and I’d like to clear up this misconception once and for all. Fixed site carwashes probably use about 25 to 36 gallons Car cleaning of water per car, and whereas they do recycle two thirds, they use one-third freshwater on each car. A mobile car wash which washes cars using a pressure washer at 1500 to 2200 PSI might use a 5 hp pressure washer putting out only 2.2 gallons per minute, and if their total spray-time is 1 to 2 minutes then they will have only used between 2.2 and 4.4 gallons.

That’s well under half the water the most efficient fixed site car wash in the world use. Therefore, if your city is in a drought situation a mobile car wash will be able to save water for the local community, even better than a fixed site carwash can. Of course a mobile car wash probably can’t wash every car in the city, and the fixed site carwashes obviously use a lot less water than you would if you washed your car at home and used between 75 to 150 gallons of water, even if you were very careful and used a shutoff nozzle on the end of your garden hose.

Now then, there is one more option and that is to use a “waterless carwash solution” to clean your car which supposedly doesn’t use any water at all. That’s a neat trick isn’t it? Sure it is, however if they washed those dirty rags at home in a washing machine, they have to add the amount of water used in the washing machine to wash all the dirty rags divided by the number of cars they’d cleaned with those rags.

So, they also use water, albeit a lot less than a fixed site car wash as well. Indeed, I hope you will please consider all this and think on it as you figure out more ways to conserve water while still being able to live your life.


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