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Residual white substance seen on carbon ceramic brakes


Bridgenix

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I recently acquired a 2018 gen2 Suska Grey R8. Initially, the brakes were in impeccable condition. However, after a few car washes, I observed the accumulation of a white residue. I suspect that it could be mineral deposits or hard water stains, as the residue changes shape when I rub it and reverts to its original appearance when wet.
Has anybody seen this phenomenon on their braking system?
What can I use to safely remove dirt and debris from the brakes?

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Although I don't often need to clean my wheels, when I do, I begin with using Sonax wheel spray and then proceed with auto soap and a wheel woollie.
I use deionized water for the purpose of rinsing, followed by using a vehicle drier to facilitate the drying process. Frankly speaking, the Sonax is likely to be futile since it is specifically designed for removing dust from metallic wheels. However, because I own a substantial amount of the material in my garage, I persist in using it.

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I have heard that there are some types of soaps that are not recommended for usage. Could you please provide me with a list of soaps that I should avoid? Additionally, I would appreciate your recommendation for a soap that you believe would be suitable for my automobile. Thank you. I am new to owning a car of this kind.

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There is a wide variety of soaps available. You simply want to use a certain vehicle wash detergent. These soaps will produce a significant amount of foam, yet they have a neutral pH and do not include any abrasive substances. My preferred choice is Chemical Guys Honeydew Snow Foam due of its compatibility and effectiveness with my foam cannon. However, there are other alternative soaps that may be superior. I believe that my car detailer used the Sonax brand.

My detailer advised me against using soaps that claim to include ceramic materials. Simply use standard soap.

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