How Can I Remove Hard Water Stains From My Car And Motorbike? Tried Vinegar But It Doesnt Work. Thanks!?
November 10th, 2009 | 
Author: I live in North Western Australia and the stain are white and bumpy probally calcium.
I live in North Western Australia and the stain are white and bumpy probally calcium.
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have you tried letting the vinegar soak? try soaking a cloth in white vinegar and letting it sit on there for a bit. rub off what you can and then do it again. i’ve had mineral stains that were actually thick like what you’re talking about, and they just take more patience than simple spots.
in the usa, we have a product called clr for calcium, lime, rust. it works really well, but i prefer the less harsh, natural option of vinegar. (also, it’s not recommended for cars since it could damage aluminum or paint.) i’m not sure if you can find it in australia, but here’s a link: http://www.jelmar.com/CLRproducts.asp
Toothpaste
Not a gel or anything fancy.
Old fashoned paste.
Use it like you would wax. Rub it on, buff it off. You may need to wax and buff the paint when you’re done.