From: utzoo!decvax!wivax!linus!security!wdr
Newsgroups: net.rec.photo
Title: Re: Strange 35mm tank development
Article-I.D.: security.229
Posted: Mon May  2 14:51:57 1983
Received: Thu May  5 06:21:09 1983
References: utah-gr.764

The favored tube in the article I read was a Golf Bag black plastic insert.
I suppose you could make a light-trap valve for solution changing.
I don't recall the advocate in which-ever magazine two years ago mentioning
a scratching problem or solution.

             Bill Ricker 
             wdr@security.uucp
          ..!decvax!genrad! 
                          !linus!security!wdr
                ..!allegra!