How to remove calcium/lime

[poyo150]

I want to understand how to safely remove calcium/lime from paint and glass. At my job we park cars under the garage deck and sometimes when it rains the cars have calcium/lime. We normally use CLR but I don't think this is safe for the car.

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[GSKR]

When I lived in ny,I use to get a lot of those lime cars.from my experience I used a acid based cleaner much stronger than clr.what ever was left from the stain was either sanded or compounded.I would maybe have a professional look at for you.They sell a product called iron x that may remove it.with no pics hard to tell.

[poyo150]

I don't have any pic at the moment. I did on my old phone but it stop working and had to get it replace. I will keep my eyes on the cars at work and take pic of calcium/lime if I find one.

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[Setec Astronomy]

Finish Kare SIRR Steel, Iron Rust Remover, auto paint iron remover, ferrous metal remover, paint cleaner, paint decontamination system (http://www.autogeek.net/finish-kare-iron-remover.html)

Optimum MDR Mineral Deposit Remover 32 oz. (http://www.autogeek.net/optimum-mdr-mineral-deposit-remover.html)

CarPro Spotless Water Spot Remover (http://www.autogeek.net/best-water-spot-remover.html)

[GSKR]

Finish Kare SIRR Steel, Iron Rust Remover, auto paint iron remover, ferrous metal remover, paint cleaner, paint decontamination system (http://www.autogeek.net/finish-kare-iron-remover.html)

Optimum MDR Mineral Deposit Remover 32 oz. (http://www.autogeek.net/optimum-mdr-mineral-deposit-remover.html)

CarPro Spotless Water Spot Remover (http://www.autogeek.net/best-water-spot-remover.html)
There you go all the info you will need to tackle that promblem in a safe manner,those products were not available 15 years ago,so I gave the old school way nice info setec.