Don_ih Member Joined Jan 24, 2021 Messages 7,884 Location Ontario Format 35mm RF Sep 30, 2021 #26 adycousins said: It is also possible to make a really basic fix that doesn't contain sulphite - just sodium thiosulphate Click to expand... When sodium thiosulphate breaks down, which will happen when in use, one of the things it turns into can be sodium sulphite.
adycousins said: It is also possible to make a really basic fix that doesn't contain sulphite - just sodium thiosulphate Click to expand... When sodium thiosulphate breaks down, which will happen when in use, one of the things it turns into can be sodium sulphite.