[Frameworks] B&W chemicals - how many uses?
Jason Halprin
jihalprin at yahoo.com
Tue Oct 19 22:57:27 CDT 2010
John,
That's 16mm where I can get 1000feet with a gallon at the dilution ratio's
below. Towards the end of the batch I need to go a little longer. If my initial
development time is, say, 7 min, then I'll use it until I'm at around 9 min
before declaring it spent.
-JH
________________________________
From: John Woods <jawoods01 at yahoo.ca>
To: Experimental Film Discussion List <frameworks at jonasmekasfilms.com>
Sent: Tue, October 19, 2010 12:21:34 PM
Subject: Re: [Frameworks] B&W chemicals - how many uses?
>From: Jason Halprin <jihalprin at yahoo.com>
>I've often been able to get good results with D-76 1:1 for about 1000 feet, over
>2 months. Likewise with Dektol 1:4. I don't use D-19 often, so I >tend to mix
>up a 1 liter batch, then dilute 1:3. I'll process a few hundred feet and call it
>a day.
Is that a 1000ft of 16mm or Super 8?
>From: edwin m <ed___209 at hotmail.com>
>most kits have detailed instructions for chemical efficiency somewhere in the
>back - there are various ways of combining/splitting baths, etc., that >mean
>the process will have more steps, but be more efficient. you get a hi-five from
>Mother Nature too, as long as she doesn't remember you're >the guy who's been
>pouring all those chemicals into the water system for all these years
This has always been in the back of my mind. Obviously the fixer and the silver
in it is the biggest concern as far as waste. Other than the old steel wool
trick, is there a better way of handling fixer?
Many thanks.
John
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