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Discussion Starter · #1 ·
I remember the days when water spots were no big deal and a simple wash would cure most problems. Now days, reclaimed water used in irrigation reaps havoc on those of us who spend hours keeping our cars spotless. I wanted to open up a thread dedicated to the removal of these hard water stains that a simple wash wont remove. I know I have run into some rough stains on my black cars over the years and would like to hear what did or did not work for you.
 

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Discussion Starter · #2 ·
In the past I have used a clay bar but it can take hours to remove hard water spots that cover a car. Anyone know of a good product that is easy but still works?
 

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This will probably make some cringe but it works.


In a cool, shaded area, make sure the surface is wet. Take an applicator pad and apply some Whink Rust Stain Remover to it. Make sure to only do one panel at a time and add some polish/wax after fully rinsing and washing it. We used this when I was working at various dealers and cars would be rainbowed they had so much hard water residue.

Again, it works but be quick and do a single panel at a time. It can cause damage if you prolong the exposure or do it outside of a shaded area...
 

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Scratch x 2.0 from meguirs works perfect...i had waterspots i couldent even get off with a clay bar and the scratch x took it off with ease
 

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Cool man let me know how it works for you..the water spots on my car were due to really hard water from sprinklers that i could not get off..it worked on my friends black mustang and my custom painted grey mustang
 

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Discussion Starter · #8 · (Edited)
I have used the scratch x as well. Alone it took off most of the spots but there were a few that were still there. I used dish soap to wash the entire car, doing this removes all the wax and other things you may have used in the past. Once I did that I tackled the trouble spots with a 50/50 distiled water and vintager solution. That lightened them up pretty well but you could see the outline of a few still. Then I went at it with the scratch x again being sure to take my time. That did the trick, no more water stains and a freshly waxed car.

I had tried clay bar as well with no luck. I was really concerned that the spots were etching at that point. It took some doing and elbow grease but the method I used worked. Hopefully yours are not as bad as mine. My car got hit by some sprinklers while I was working in a hotel on Miami. It was in valet parking so I had no idea till I got it back 5 days after I arrived... This was easily the worst I had ever seen water spots so you may not need to go as crazy as I did but if you do, this should do the trick.
 

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I bought this car from florida and it has some severe baked in water stains on the hood if these methods work it will truly be a miracle ive clay barred it and polished it with little success I will post some results next week
 
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