Response to Creative Two Bath Developers

I don't think that using two normal developers for one film can be compared to the effect achieved by the special two bath formulas (like Diafine, Divided D-23 or other). What Warren suggests is using normal Rodinal and then D-23, for the develpment of one film, which will probably not give results too much different than using just one of the two developers (the strongest acting one, I guess). It shall also depend on the combination of time that he will have each one of the two chemicals in the tank. On the other hand, the suggested two bath formulas base their unique way of acting on the fact that they separate the developing substances (metol, hydroquinone, etc) from the alkali that is necessary for the development to happen. This is quite a different philosophy, and is only applied with the specific formulas, giving really special results (combination of fine grain WITH high acutance) not easily obtained with single bath formulas. Try the two bath formulas, Warren, not just two ordinary developers.

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