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deionized water system for car washing

10896 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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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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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.

Nice set up Thanks for the pic
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!
I like that the blower blows at 203 mph just like the cars top speed........
Thank You all for the help I learned a lot of good info for everyone on the post....The best thing is I can save around $400 by building my own system for under $100.....
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Thank You all for the help I learned a lot of good info for everyone on the post....The best thing is I can save around $400 by building my own system for under $100.....
agreed, ill be making a set up here hopefully this month!!!
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agreed, ill be making a set up here hopefully this month!!!
This is what I wound up going with.

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Can't vouch for the quality of this, but Costco has one for a pretty decent price currently online

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Have you guys tried Optimum's products? I used to do the 2 bucket wash and looked into a deionizing system, but then tried ONR... don't think I'll ever go back.

First I go to a self serve wash with soft water & a functional spot free rinse a few miles from home. Spray off any big junk on the car, then go home in my garage to do the wash. Fill up 1 bucket with about a half gallon of distilled water and add 1 oz ONR. Use about 5 or 6 large high quality microfiber towels and the "Garry Dean" method (folding towel in quadrants, effectively giving you 8 clean sections of towel to work with). 2 or 3 towels go into the bucket and get soaked in the solution, but never go back in the bucket once dirty. I mist the panel I'm about to work with a detail solution of 3-4 oz ONR + 28 oz distilled water. Wash a panel (or 1/2 panel for hood, fascia, bumper & trunk) with a clean section of the ONR drenched microfiber towel, follow up with clean section of a dry microfiber towel, follow with misting of ONR spray wax, and final dry with large microfiber drying towel. Work my way around the car, then to the glass, then the wheels. Car comes out great with no scratching (assuming you correctly follow the procedure). Takes less time, less hassle, less water.

Bucket washing still has a place for seriously dirty vehicles (think off-road), but especially for fair weather warriors like most of Hellcats, ONR is great.
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Units like the DIY ones folks are putting together or the Unger system work great for those of you with 'city' water that's not too hard.

For those (like myself) on straight up well water, you will burn thru one of those small resin canisters/bags in just a few washes, so the larger canisters on something like the DIC-20 will give you months of use before having to mess with a resin change.

There is no magic to it, it's simply a matter of the volume of resin vs. hardness of the source water. The prefilter also helps extend the life of the resin, something the DIC-xx system lacks (I assume because CR is in the resin selling business!). I may try a DIY prefilter on mine if I can come up with a way to mount it to the DIC-20 unit without having to drag out yet another bit of gear to wash the cars.
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Can't vouch for the quality of this, but Costco has one for a pretty decent price currently online

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I might have tried that one if I saw it before I built one.....The stuff I got was about $100 and it works ok if you keep the car wet and dry it in the shade. My water really sucks so that probably plays a big part and it is very hard so every bit helps.
Have you guys tried Optimum's products? I used to do the 2 bucket wash and looked into a deionizing system, but then tried ONR... don't think I'll ever go back.

First I go to a self serve wash with soft water & a functional spot free rinse a few miles from home. Spray off any big junk on the car, then go home in my garage to do the wash. Fill up 1 bucket with about a half gallon of distilled water and add 1 oz ONR. Use about 5 or 6 large high quality microfiber towels and the "Garry Dean" method (folding towel in quadrants, effectively giving you 8 clean sections of towel to work with). 2 or 3 towels go into the bucket and get soaked in the solution, but never go back in the bucket once dirty. I mist the panel I'm about to work with a detail solution of 3-4 oz ONR + 28 oz distilled water. Wash a panel (or 1/2 panel for hood, fascia, bumper & trunk) with a clean section of the ONR drenched microfiber towel, follow up with clean section of a dry microfiber towel, follow with misting of ONR spray wax, and final dry with large microfiber drying towel. Work my way around the car, then to the glass, then the wheels. Car comes out great with no scratching (assuming you correctly follow the procedure). Takes less time, less hassle, less water.

Bucket washing still has a place for seriously dirty vehicles (think off-road), but especially for fair weather warriors like most of Hellcats, ONR is great.
I hope once I put my ceramic and Bead Maker on that helps with the washing......I may try your method that seem pretty good too.... I do do the 2 bucket was also I think that makes a huge differnce too.
Units like the DIY ones folks are putting together or the Unger system work great for those of you with 'city' water that's not too hard.

For those (like myself) on straight up well water, you will burn thru one of those small resin canisters/bags in just a few washes, so the larger canisters on something like the DIC-20 will give you months of use before having to mess with a resin change.

There is no magic to it, it's simply a matter of the volume of resin vs. hardness of the source water. The prefilter also helps extend the life of the resin, something the DIC-xx system lacks (I assume because CR is in the resin selling business!). I may try a DIY prefilter on mine if I can come up with a way to mount it to the DIC-20 unit without having to drag out yet another bit of gear to wash the cars.
Yeah that is so true it all depends in the water for sure my home made kit I just built it was around $100 and it is the smaller 10 in one......I washed my car twice and I would say the DI filter maybe has 1 or 2 washes left.....But I did use a pressure washer the second time and just the hard stream on the hose nossel so I have to see how just the pressure washer works if it saves any more of the filter. 3 DI filters were $35 I think so I have a few to get the hang of it.
Yeah that is so true it all depends in the water for sure my home made kit I just built it was around $100 and it is the smaller 10 in one......I washed my car twice and I would say the DI filter maybe has 1 or 2 washes left.....But I did use a pressure washer the second time and just the hard stream on the hose nossel so I have to see how just the pressure washer works if it saves any more of the filter. 3 DI filters were $35 I think so I have a few to get the hang of it.
With a std nozzle you are probably flowing 10 - 20 GPM depending on the pressure in your house.
With the pressure washer you will only be using 2 - 3 GPM + covering a wider area (fanning affect), so your media will last WAY longer :D
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I live out in the country so my water also tends to be hard. Love the ideas here. Thanks for that
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I live out in the country so my water also tends to be hard. Love the ideas here. Thanks for that
The set up I did works ok still a few water marks but I think I have a lot calcium in my water to deal with so I will say it is much better then not having anything on there and for the price I can't complain.
Have you guys tried Optimum's products? I used to do the 2 bucket wash and looked into a deionizing system, but then tried ONR... don't think I'll ever go back.
First I go to a self serve wash with soft water & a functional spot free rinse a few miles from home. Spray off any big junk on the car, then go home in my garage to do the wash. Fill up 1 bucket with about a half gallon of distilled water and add 1 oz ONR. Use about 5 or 6 large high quality microfiber towels and the "Garry Dean" method (folding towel in quadrants, effectively giving you 8 clean sections of towel to work with). 2 or 3 towels go into the bucket and get soaked in the solution, but never go back in the bucket once dirty. I mist the panel I'm about to work with a detail solution of 3-4 oz ONR + 28 oz distilled water. Wash a panel (or 1/2 panel for hood, fascia, bumper & trunk) with a clean section of the ONR drenched microfiber towel, follow up with clean section of a dry microfiber towel, follow with misting of ONR spray wax, and final dry with large microfiber drying towel. Work my way around the car, then to the glass, then the wheels. Car comes out great with no scratching (assuming you correctly follow the procedure). Takes less time, less hassle, less water.

Bucket washing still has a place for seriously dirty vehicles (think off-road), but especially for fair weather warriors like most of Hellcats, ONR is great.
I use optimum products on my wifes car and on my honda daily driver ...i add a capful and then my regular car wash. Not going to say it takes out all water spots...but it does make a huge difference over just car wash soap.
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.
The DI water will suck out any build up in your hose. Should use dedicated new hose for the DI water.
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