Re: Coating Box for Becquerel Development

[etienne garbaux <photographeur@nerdshack.com>]

Rob wrote:

> I agree with Greg that the varnish will probably have little or no
> effect on the powerful iodine fumes in your box.  Varnish takes a while
> to fully dry/cure, even though it may feel dry to the touch.
> Consequently, you should wait several days (a week would be even better)
> before putting the air-tight glass top on your fuming box.

Actually, varnish never really cures fully.  I'd think of shellac before
varnish for this application.  Or epoxy paint.

Best regards,

etienne