Archived posting to the Leica Users Group, 2000/03/01

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Subject: [Leica] Presoak
From: George Huczek <ghuczek@sk.sympatico.ca>
Date: Wed, 01 Mar 2000 06:24:53 -0600
 
At 06:05 PM 28/02/2000 -0500, Dan Post wrote:
>Some people recommend a one minute water soak- this causes the emulsion to
>absorb the non-reactive water, and keeps the process from starting too soon
>with short developing times- the water retards the action of the developer
>by simply being there until the tank is full and you start agitation, where
>it diffuses out.

Ilford recommends against using a presoak now.  It removes the wetting
agent built into some films.  The only film I presoak is Konica 750 nm
infrared film.