Shelf life of hypo cleargreenspun.com : LUSENET : Large format photography : One Thread
First, thanks so much to everyone who gives their time and expertise to make this such an informative bb. As my printing sessions are, to say the least, episodic, I find that I may have undiluted hypo clear in a partially full bottle for well over a year. Is there an easy way to test its usefulness after such a period of time? Also my undiluted fixer is in a similar situation, however the Tetenal test strips indicate that it's still okay. Thanks
-- Yaakov Asher Sinclair (firstname.lastname@example.org), January 02, 2001
As best I can decipher Kodak's data sheet, it keeps indefinitely in a full container, and about 3 months in a partially full container (the actual entry is NA/3 months).
-- Ed Buffaloe (email@example.com), January 03, 2001.