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deionized water system for car washing

10879 Views 56 Replies 18 Participants Last post by  wastedwagesracing
I am wondering if anyone uses a deionized water system for car washing for spot and if so which one. I know about the CR spotless one and the Simple Chuck. Has anyone made a home made one that works good I have seen a few DIY ones online and they do not look too hard to make its just getting the right filters and fill it looks like. I have hard water and my Black car gets spots like you would not believe even if I dry it quick.

Thanks
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I built my own from Amazon, I use a 2 cartridge system, one for sediment cartridge and one with a DI cartridge. I purchased brass connectors from home depot and put quick connects on along with a feeder hose from my tap. I've used it 2 or 3 times already! No spots, a small drop in water pressure but nothing major. I wash and rinse the whole car, then follow with the cartridge setup.
https://www.amazon.com/gp/product/B074MHMHLH/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B018F4R460/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1
Did the exact same thing. The quick disconnects let me wash like normal, and then I plumb the double filter setup in (takes 30 seconds) and I wash over the car with spot-free water.
Could you post a pic of your set up also if you get a min.
Thanks
Will get it up as soon as I get home tonight. Was planning on washing the ride tonight actually, but rain is here... Effing Florida.
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Here's my setup. I went Sediment filter first and then Resin second. I believe that's the proper flow path. Please correct me if I'm "hosing myself" with that method :D The only thing I've found is that I can't go full-open on my washer nozzle or I get air since the filters can't catch up to the flow rate of my nozzle. I'll be changing it to an adjustable nozzle with a shower or mist setting and see if that helps. The Flexzilla hoses are a godsend btw. They're crazy expensive for their air hoses, but for the 3 footer and 7 footer I got (for off the spigot), they're totally worth it imo.

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It looks reversed in that pic ?? I assume the inlet has the short hose attached, if so you have the media 1st then the filter & it needs to be the other way (filter, then media). Using a regular nozzle with this set-up will cause you to use media at an alarming rate !! You either need the pressure washer or (at a minimum) a nozzle with a fanned or flat spray setting.

Like this:
https://www.amazon.com/Orbit-Max-26...ASPZMFFASSF&psc=1&refRID=E745Q4B7RASPZMFFASSF
The non-hosed end is the inlet. I have a 7 footer that comes off the spigot into my regular hose reel. I disconnect from the reel side, plug into the female side, and then use the 3 footer back into the reel. I appreciate the link to the nozzle. I'll check it out!
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You should be good! I use the "rain" setting on my nozzle, i've not tried any of the other settings, just my preference for 99% of my car washing so I don't know if it would outflow the setup. Just need to shed the water off the car.
I'm excited to try it. I currently use this bad boy: https://www.amazon.com/Makita-UB1103-Blower/dp/B00LM33DXK?ref_=fsclp_pl_dp_12
and it absolutely blows every last drop of water from every nook and cranny there is, but it takes a good 15-20 minutes to dry the car that way. I have Opticoat Pro Plus on my HC so I'm hoping with clean water and the ceramic coat, I can just rinse her off, pull her into the garage, and get that time back. We'll see soon!
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