Ilford Hypam Fixer, ok for Pyro?

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matt miller

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I hope so. That's what I've been using for my 8x10 Efke/ABC negs. Do you have reason to believe otherwise?
 

roy

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I use it, after a couple of plain water rinses. I think some use ammonium based fixer to preserve the stain but I have never found it to be a problem.
 

Tom Hoskinson

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Ilford Hypam is an ammonium thiosufate based rapid fixer with no hardener incorporated. It works great with pyro because it does not contain a hardener. A non-hardening sodium thiosulfate based fixer will work equally well with pyro - just a bit slower.
 

Snapper

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Is Ilford Ilfostop also ok to use with Pyro? I see some people use plain water - why is that?
 

roy

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Snapper said:
Is Ilford Ilfostop also ok to use with Pyro? I see some people use plain water - why is that?

Don't know about Ilfostop but I would have thought just about any stop bath would have been OK in the correct dilution. When I first used a staining developer, the article I read said that a good wash for the film was sufficient and would obviate any stain reduction through the use of another chemical, to wit, the stop bath. It is a habit that I have got into and use plain water rinses with agitation whatever developer I use !
 

Tom Hoskinson

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An acid stop bath is not desireable and not needed with staining and tanning developers ("pyro"). Acidic solutions can reduce the stain.

A plain water rinse is fine - and it arguably increases fixer life.

Some workers use an alkaline fixer as a one-shot immediately post development (they add fixer concentrate directly to the used developer - post development).

Post development I use a brief water rinse, followed by an alkaline fixer (TF-4).
 
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