[Frameworks] B&W chemicals - how many uses?

[Ekrem Serdar]

Well, according to what Gary Popovich writes in Recipes for Disaster, you're
using it relatively "correctly" (he mentions two batches of developer for
every four hundred feet or so).

I've used 400ft of 16mm with a batch of D19, mixed in a gallon and then
further diluted with another three gallons of water and it seemed a little
milky (tri-x) but fine.

I'd actually be curious what the "limits" of a variety of handprocessing
mixtures are, for how long they keep when mixed, how many feet they'd
be "good" for
and perhaps ways to replenish them. I've heard some chemicals lose their
efficiency after about a week of just sitting around... I'd love to hear
some frameworkers go off on this one!

On Mon, Oct 18, 2010 at 5:16 PM, John Woods <jawoods01 at yahoo.ca> wrote:

> So the common Kodak packages of D-76, D-19, Hypoclear, etc. usually make
> 3.8
> liters or 1 gallon. I was wondering how much film you can process with this
> amount with consistent results. I usually process batches of 3-4 super 8
> cartridges at a time and then dispose of the chemicals. I'd like some
> advice on
> whether I could be more efficient with the chemicals or if I'm depleting
> the
> chemicals with the amount of film I use. Thank you!
>
> John Woods
>
>
>
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-- 
-ekrem serdar
austin, tx
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