The primary reason for using water over an acid stop bath is that, on some emulsions, there is a danger of developing pin holes due to the liberation on gas as a result on neutralising the alkaline developer.
Bob ----- Original Message ----- From: "Bill D. Casselberry" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, March 16, 2002 2:51 AM Subject: Re: Stop Bath > Christian wrote: > > > Just a novice question about B&W film development: > > What are your choices for stop baths? I learned from > > my dad who just uses tap water for 1 minute. > > Preferences vary - water bath stop works by massively > diluting any residual developer and "real" stop bath works > by being acidic and stopping the reaction "in its tracks" > chemically. Stop bath is cheap & easy & effective, so IMHO > it makes little sense not to use it. > > I'll leave the rest to others w/ greater experience. > > Bill > > --------------------------------------------------------- > Bill D. Casselberry ; Photography on the Oregon Coast > > http://www.orednet.org/~bcasselb > [EMAIL PROTECTED] > --------------------------------------------------------- > - > This message is from the Pentax-Discuss Mail List. To unsubscribe, > go to http://www.pdml.net and follow the directions. Don't forget to > visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .

