szazs Member Joined Dec 19, 2005 Messages 36 Location Another Plac Format Multi Format Jan 15, 2006 #1 Found an unopened bottle of vitamin C crystals I forgot I had. How long is this stuff any good as a developer/additive?
Found an unopened bottle of vitamin C crystals I forgot I had. How long is this stuff any good as a developer/additive?
htmlguru4242 Member Joined Aug 9, 2005 Messages 1,012 Location Eastern NC, USA Format Multi Format Jan 15, 2006 #2 As long as it was unpoened, a LONG time. It's just ascorbic acid, so as long as its still a dry powder, you're good.
As long as it was unpoened, a LONG time. It's just ascorbic acid, so as long as its still a dry powder, you're good.
nworth Member Joined Aug 27, 2005 Messages 2,228 Location Los Alamos, Format Multi Format Jan 15, 2006 #3 The uncontaminated powder will last a very long time as long as it is kept sealed, away from light, with limited air. Solutions spoil rather quickly.
The uncontaminated powder will last a very long time as long as it is kept sealed, away from light, with limited air. Solutions spoil rather quickly.