Deionized Water System for Washes

[Conor]

I'm thinking about getting a DI system for washing my car - it's supposed to eliminate water spots and the need to dry the car after rinsing. I generally wash my car every 1-2 weeks, so eliminating the need to dry it would be quite a time saver!

Just looking for some input on what systems y'all have, how you like them, how many washes you get before needing to change the resin, etc.

Also, do you use the DI water for the entire car wash, or just the final rinse?

Thanks!

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[darrvao777]

i used to have a cr spotless system and liked it

i only used DI water for the final rinse so i would change the resin maybe 1-2x per year (this will obviously also vary depending on how hard your water is)