Re: Photo flo sub

Ah, thanks and forgive me. I must have missed the
original posting.

I have a bottle of the stuff (Photo-Flo) in front of
me. The active ingredient is:

p-tert-octylphenoxy polyethoxyethanol alcohol

I think the key is that this is a very neutral
surface-active agent. While detergents, too, are
surface-active agents (or surfactants), they are much
more than that as well--fragrances and colorings, etc.
are added. In a pinch I'd still say it would be better
to use the old fashioned "finger squeegee" technique
and then air dry than to put other stuff such as
detergents on the negatives.

Colin

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Received on Sat Mar 9 00:17:20 2002