----- Original Message ----- From: "P. J. Alling"
Subject: Re: Carl Zeiss and the Future of Film
Silver nitrate is still used in medicine as an antibiotic. Too much will kill your septic system.
Unless you are deliberately dumping the stuff down your drain, it should never be a problem. Silver nitrate is not a photofinishing byproduct, even without silver recovery.
William Robb
