"Jean-David Beyer" wrote in message
...
Kelly wrote:
I'm taking an introductory B&W darkroom class at my art
college, and we
mixed our three batches of chemicals last week:
developer, fixer, and Heico
Permawash. In pulling out the bottles from the locker
this week, I
discovered I'd labeled the fixer, but in the general
confusion of the school
darkroom had left blank tape on the two other brown
bottles. Is there any
way to pour out a small amount to determine which is
which? (The developer
is TMax developer, if that makes a difference.) Or do I
need to go through
teh development process with a small piece of test film
to see if things
work?

Thank you in advance!


With the lights on, put a piece of scrap B&W film in each.
The one in
the one that turns black is in the developer, and the one
in the
PermaWash will stay pretty much the same.

--
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The Permawash will clear the anti-halation dye so the film
will look different but won't blacken it.


--
---
Richard Knoppow
Los Angeles, CA, USA