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Spot Free Car Wash Water Treatment

Date : 1/28/2017
From : Justin Donaldson

Question

Hello, I was hoping you could point me in the right direction. I am looking to put together a two tank DI system in my garage for washing my cars and eliminating water spots. Can you help me with an economical system? If I order the components from you, I can install myself at home.


Answer

Thanks for asking.

I have a collection of classic muscle cars so I have tons of experience with this.

Your best bet is actually no to use deionization but instead to use Reverse Osmosis. It is spot fee and it makes the color pop because it is not as aggressive and deionized water which will cause rust because it is a bit too pure. RO is also significantly less expensive to operate. DI is cheaper to start but doesn’t last long and is expensive since you cant regenerate it. Where DI is about $1-$2 per gallon, RO is less than $0.10 per gallon.

To get started you would pick and RO and a Storage Bladder. You need to decide how much and how fast you want to purify water.

I use a 500 gallon per day RO. Not because I use 500 gallons, but the flow rate makes refilling the bladder much faster.

I use this RO

https://www.apswater.com/shopexd.asp?id=5681&product=CRO500AT%20Commercial%20Reverse%20Osmosis%20System

and this Bladder Tank

https://www.apswater.com/shopexd.asp?id=4930&product=WX-202%20Well-X-Trol%20Bladder%20Tank

You can go as low as a 100 GPD RO with a smaller tank depending on how much water you will use and how many cars.

About the smallest you can get away with is this RO

https://www.apswater.com/shopexd.asp?id=119&product=RO75D1+Complete+Reverse+Osmosis+System

and this tank

https://www.apswater.com/shopexd.asp?id=4930&product=WX-202%20Well-X-Trol%20Bladder%20Tank

Here are all the RO systems

commercial : https://www.apswater.com/shopdisplaycategories.asp?id=750&cat=Commercial+and+Industrial+Reverse+Osmosis+Systems
Residential : https://www.apswater.com/shopdisplayproducts.asp?id=825&cat=Residential+Reverse+Osmosis+Systems

Bladder tanks :
https://www.apswater.com/shopdisplaycategories.asp?id=475&cat=Bladder+tanks+for+water+storage+distribution


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