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Neutralizer

Photography Neutral density graduated filterNew Realism

Neutralizer is a chemical designed to counteract and make inactive another chemical solution.

 


Neutralizer After development, the pores of the swollen emulsion retain a portion of the developer. If allowed to remain, the developer continues its activity.

This next step is an acidic neutralizer to slow the effects of the developer. Most procedures call for only thirty seconds in the acidic stop bath.

See also: Developer, Emulsion, Exposure, Film, Light