Steel wool for hard water spots on glass?

SouthArk370Z

If an acid (vinegar, Coke, lemon juice, &c) doesn't do any good, those are not mineral deposits (hard water). That would leave me to believe you are using water contaminated with something.

A water softener will help with hard water. Might not do any good for contaminants.

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B&W_Evader

Vinegar should be #1 against hard water.
You can try a razor blade too. Like taking off an old sticker. Be super careful not to catch an edge, it will cut into the glass if you do it right. I will leave scrape marks if your not careful. Like anything, make a test spot somewhere you won't be looking at it every time you drive your car.
You can look into CLR too. I wouldn't risk it on a car but it works great in bathrooms.

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quarryninja

Yes, I've thought about this too. It's just not normal to have this much of a problem after only one wash.

I'm going to find someone to do a test and see what's going on with my water.

I've been wanting to try CLR but haven't been able to get any yet


---------------- UPDATE ----------------------

So like I said, I got some 3M rubbing compound, masked off all the edges, and with my orbital polisher and a lot of elbow grease I was able to achieve pretty good results after a couple of hours.



I applied some rainX to see if that helps with the beeding and we'll see what happens next time I wash the car...