Not true, Ian, for print reducer. This 'unblinking eye' site (upper right of page) shows the reducer for prints: http://unblinkingeye.com/Articles/De.../formulas.html

But, Ian, the negative reducer is as you state: no bromide. I wonder why the difference? - David Lyga

And Rudeofus: 'trivial availability' has to be conquered but once in one's lifetime: a bit of benzotriazole goes far and can be kept permanently in powder form if airtight. - David Lyga