</span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (dnmilikan @ May 2 2003, 09:58 AM)</td></tr><tr><td id='QUOTE'> Hardners are basically used only in the fixing baths of film (they harden the emulsion and reduce the chance for physical damage). In fact, the use of hardner in print baths will affect the toning ability of a print. </td></tr></table><span class='postcolor'>
THANK YOU&#33; This I needed to know. I shall begin to run two fixers for b&w, as my business splits about half and half paper and film. This explains a lot. I&#39;m guessing that is also interferes with the ability of potassium ferrocyanide to effectively and controllably reduce and image?