Best method for deionized water rinse

[fishnugget]

Hello,

I am a total newbee to autogeek and had a question about rinsing my car with deionized water.

I have this RO/DI filtration system that I used for my saltwater fish tanks that is able to make gallons of DI water.

I was thinking instead of using those guzzler MF towels and increasing the risk of swirls, I could just do a final rinse with DI water since I have it readily available at my house.

So....what the best method for rinsing the car with DI water? Should I go to Home depot and buy a garden sprayer? Let me know what you think. I can make a tons of DI water. Thanks.

[RaskyR1]

I'd invest in a TDS meter too and make sure you are getting pure DI water with zero TDS. Systems like the CR Spotless system are only good for a few hundred gallons of water before you have to replace the resin. The TDS in your city water will determine how long it actually lasts.


TDS = (Total Dissolved Solids)



Welcome to AG BTW!

Here is the CR system...
CR Spotless Water Systems, deionization system, water de-ionizer, purified water systems, cr-spotless, spot free rinse, spot free car washing

[Dubbin1]

I don't think a garden sprayer would get the job done as the soap would dry before you had it all rinsed. Plus you would still need to dry the car off anyway.

[Mindflux]

I don't think a garden sprayer would get the job done as the soap would dry before you had it all rinsed. Plus you would still need to dry the car off anyway.

Prerinse with hose water and flood off with DI water works pretty well. Minimal spotting

[fishnugget]

I'd invest in a TDS meter too and make sure you are getting pure DI water with zero TDS. Systems like the CR Spotless system are only good for a few hundred gallons of water before you have to replace the resin. The TDS in your city water will determine how long it actually lasts.


TDS = (Total Dissolved Solids)



Welcome to AG BTW!

Here is the CR system...
CR Spotless Water Systems, deionization system, water de-ionizer, purified water systems, cr-spotless, spot free rinse, spot free car washing

Thanks Rasky, I actually have a handheld TDS meter and my unit has inline TDS meters like the CRS spotless system.

The CRS spotless system is very inefficient and waste DI resin incredibly fast. I am not trying to knock it down for those that own one, but just pointing the facts. As you pointed out, living in a high TDS area will deplete the system fast. My incoming TDS water is 200ppm. In San Diego it used to be 400ppm. The RODI unit I have brings down the TDS level to 5ppm before it hits the DI resin media. So I use less DI resin.

However, the drawback is that I dont have much pressure if any at all. So, I figured a garden sprayer but my concern is that the garden sprayer might not be fast enough and the water may dry out before I get to it all of it. Thanks again.

[fishnugget]

I don't think a garden sprayer would get the job done as the soap would dry before you had it all rinsed. Plus you would still need to dry the car off anyway.

Thanks Dubbin

I would rinse the soap off with regular hose water first then rinse again with the garden sprayer using DI water only.

[fishnugget]

Prerinse with hose water and flood off with DI water works pretty well. Minimal spotting

Thanks Mindflux, I think I may try it. How do you flood off? A pitcher? Garden hose sprayer? Any of these work best for you?

That was my initial question, I guess I am looking for the best method. I may just have to run to HD and buy a garden sprayer to give it a shot. I have four 6 gallon water jugs that I can use to store DI water. Thanks again.

[Dubbin1]

Speaking of saltwater aquariums here is mine

[RaskyR1]

Thanks Rasky, I actually have a handheld TDS meter and my unit has inline TDS meters like the CRS spotless system.

The CRS spotless system is very inefficient and waste DI resin incredibly fast. I am not trying to knock it down for those that own one, but just pointing the facts. As you pointed out, living in a high TDS area will deplete the system fast. My incoming TDS water is 200ppm. In San Diego it used to be 400ppm. The RODI unit I have brings down the TDS level to 5ppm before it hits the DI resin media. So I use less DI resin.

However, the drawback is that I dont have much pressure if any at all. So, I figured a garden sprayer but my concern is that the garden sprayer might not be fast enough and the water may dry out before I get to it all of it. Thanks again.

Sounds like you know your stuff! Surprisingly my city water is down around 115ppm....been looking to get a CR system for a while now to use for my final rinse.


You could maybe look at the Nomad....though it is a little $$$$

Nomad 18 Volt Portable Power Cleaner, Nomad Cordless Power Cleaner, mini power cleaner, portable car wash, compact power washer

[fishnugget]

haha nice, dubbin, I miss my reef tank and have this RODI unit that I use for drinking water but the DI cartridges dont get used anymore. I figured I could use them for my car washes now that I have a garage. Nice tank, I knew there would be reefers here.