Formulary's Reducer II For Negatives is a Persulfate reducer that is similar to Ilford IR-2. Reducer II is a super proportional reducer and removes silver from the dense areas of the negative faster than it does from the faint areas. The net result is a decrease in negative contrast. The chemicals in the kit are used to make 1 liter of working solution and 1 liter of an after-bath solution containing sodium sulfite.
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