Old 10-02-2010, 07:25 PM
  #15  
wingless
Senior Member
 
Join Date: Jan 2007
Posts: 2,992
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Glass corrodes from water, in a manner very similar to metal rusting.

That damage is permanent. Chemicals and elbow grease can diminish the appearance, but not eliminate the problem.

New glass is the solution. Do you have full glass coverage? Most companies replace glass if the crack cannot be hidden by a dollar bill.
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