Loose the sulphite!

Sodium sulfite is a silver solvent used to make so-called fine grain negatives. Because sulfite prevents the formation of mackie lines, it greatly reduces 'accutance,' not a desirable effect. Delta is so fine grained that the sulfite will have little effect on apparent grain, but will reduce sharpness drastically. If you stop overdeveloping your negs by 15%, you will reduce the grain, probably more than adding sulfite! Also, regular (non-pyro) developers will block highlights in new type films like Delta and T-Max unless development is carefully controlled. Mason, why not try PMK? It is the perfect developer for all (non-pushed) films, but especially Delta. As an added bonus, it's very economical.

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