Do you increase development time for subsequent sessions?  How many
square inches of film do you develop per use/for the entire 1/2-gallon? 
This is fascinating.

Collin Brendemuehl wrote:
> 
> I don't replenish.  Seems too much expense in a hobbyist's darkroom.
> 
> I reuse from the 1/2 gal. developer about 10x & then dispose.  That's enough to 
>allow for (a) a good, strong, pretty-clean developer in the tank and (b) enough 
>precipitaion of mater in the jug so that each development is consistent.  Beyond 10x 
>I've found too much precipitation in the jug to trust any more development.
> 
> I've found that controlled reuse and adequate dilution in the jug gives me 
>consistent results without having to dispose of it after every use.
> This is with D-76, 50% with rolls, 50% with sheet film.
> 
> I don't know how other developers will behave with this scenario.  My next step is 
>to find a good working practice with HC-110.
> 
> I think it's safe to assume that each jug-brand of developer will behave a bit 
>differently, and I'm not going to assume anything about its behavior.  So over time a 
>practice will develop for each developer used.

-- 
Shel Belinkoff
mailto:[EMAIL PROTECTED]
http://home.earthlink.net/~belinkoff/
"If you are a bad technician, it doesn't 
matter how big your negs are." - PDML member
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