Date: Wed, 15 Mar 2006 15:25:14 -0800 (PST)
From: Bruce Skelly <bruce

Greg,
   
  Getting back to your original email on the subject, you mentioned that your current filters had deteriorated, and that they were made by Custom Scientific.  Since I don't believe that Custom Scientific uses BG39 glass to make their filters, what kind of deterioration were you talking about?
   
  Bruce

Greg Crawford <gc
  >The solution for myself and a few others on this side of the Atlantic has 
>No sign of deterioration as yet after a couple of years.

Richard, can you please advise through whom you get filters treated like this?

- Greg


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