From: Michael Koppelman <lolife
Date: Wed, 15 Mar 2006 09:06:29 -0700

Good to know! I have a V and B filter that are pretty bad...

On Mar 15, 2006, at 9:02 AM, arne wrote:

> Gary Walker has found that applying hydrogen peroxide to the layer
> dissolves it nicely without having to polish.  We haven't figured
> out quite why yet, but I'd try that first.

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