Old 02-20-2014, 12:15 AM
  #6  
earthwalker
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Join Date: Jun 2009
Location: Perth, Western Australia
Posts: 10,357
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Denture cleaning tablets are great for calcium deposits. I must say though, if it is filmy all over, someone may have attempted washing it in a dishwasher. If this is the case, there is nothing that will restore it.
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