hello sandy I made some argyrotype and I use to mix it whitout twenn and add it after depending on the paper. you can also use photophlo if you prefer or any surfactant. > Nze Christian mailto:christian_nze@hotmail.com http://perso.club-internet.fr/cnze ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com