What is hard water and what is the hardness? Very hard water will be 10.5 per gallon and 180 parts per million. But you need to be aware that even moderate tough waters of 3.5 to 7 and 60-120 ppm per gallon will leave hard water spots. Slightly hard water, such as 1 to 3.5 capsules per gallon and 17.1 to 60 ppm, does not leave hard water spots that are clearly difficult to cure with suede. But in fact, as a professional car expert, you are really looking for less than 1 capsule and 17 parts per million soft water per gallon.
What makes water difficult?
The hardness in water causes calcium and magnesium ions to form insoluble compounds; sometimes iron or even aluminum. There are many ways to soften water. Some are more complex than others; aeration, deionization or ion exchange, distillation, reverse osmosis or softening.
Softening with a water softener is the simplest concept currently used; water softeners replace hard ions such as calcium and magnesium with sodium or non-fouling ions. The ion exchange resin used in this process is periodically recharged with the salt extracted from the storage tank. Many water treatment experts agree that Lance Winslow agrees that softening may be the most cost-effective when the water hardness is as low as one to five per gallon. Most mobile operators will be happy with one to three hardnesses per gallon, and even won't even buy a softening device until the hardness is five plus five per gallon. Their theory is good because if the total dissolved solids [TDS] is low, there will be very few water droplets anyway.
Even if your water volume is 5 gpg or less, one reason to use a water softener is because you want to prevent the steam cleaner from fouling or keep the pressure wash pump on your car's detailed equipment. On a chiller, this is not important because 5 gpg or less will not damage the pump. More than five can be over time.
Hardness also hinders the work of soap. You may notice that your soap is not cleaned properly. That's because they first wash the water and combine it with the compounds in the water, not the dirt on the car. As you can see, the hardness of the water has a tendency to neutralize these cleaning compounds. You must use more soap to counteract the neutralization of the hardness minerals.
With hard water, you will use more soap and the car is still not clean. I encourage you to discuss useful suggestions for water chemistry and treatment requirements with your soap supplier. Your soap strategy should be tailored to the hardness of your city and the water you put in the tank.
Most independent automotive professionals believe that hard water areas can also form a film on a car without the use of softeners. They also agreed at the annual meeting that the decision to buy a softener should be based on a true water quality test. You may wish to contact a water treatment distributor such as Rain Soft, Culligan, Apollo, Calgon, Rayne water Systems or Water Man in your area. They can help you by testing local water or ask the city water authority for information about their water supply. Once you have decided to purchase a softener, it is easy to choose the right equipment. The softener size should be based on two factors: flow rate [GPM] and per gallon grain [GPG].
At your home, your hose flow rate is typically 6 to 8 gallons per minute [gallons per minute]. We recommend that you change the pressure regulator to 90-110 PSI [pounds per square inch]. This will give you about 10 gallons per minute. So you need a water softener that is a little bigger than the basic model.
Water softeners are basically like refrigerators; Car Wash Guys founder Lance Winslow said.
"They can last for two or twenty years...and largely depend on how much and how often they enter."
This is why you should monitor the softening device. You can use the test kit to test the hardness or pay attention when washing the car. Steel softening tanks can be used for many years. The fiberglass unit is also very good. The plastic unit is broken. You may need to replace the resin every few years.
You may choose to rent a softener for $30 a month and have the exchange company charge you. Be careful when hiring a soft water supplier. Ask us for help. You can even make money by trading water softening rental services plus accounts, because soft water rental companies have many delivery trucks. In any case, consider these issues when considering a water softening strategy for your mobile car wash or car detail business.
Orignal From: Water softener for moving automatic detailing
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