Is there such a thing as glass "polish?"

[Mighty Hd]

Zaino brothers has some

Check out autopia.org.

 

[mike1944]

Zaino brothers has some

Check out autopia.org.

http://www.zainostore.com/Merchant2/merchant.mvc

BTW if you ever have any questions about car care you can email Zaino and one of the brothers will get back to you. Usually within the hour. Nice people. Email address on their contact page.

 

[Z71Psycho]

What really works best for hard water spots?

 

[NathanJax]

There is glass polish. But like others said, treat it like paint. You can use claybar. You can also use paint swirl and haze removal
http://www.adamspolishes.com/p-97-adams-swirl-haze-remover-polish.aspx

or severe swirl and haze removal
http://www.adamspolishes.com/p-554-adams-severe-swirl-remover-polish.aspx

What really works best for hard water spots?

http://www.adamsforums.com/forums/general-detailing-discussion-questions/14737.htm