[darkroom] First batch of colour chemistry ordered! (and tea-based caffenol success)

Daria Juniper daria at dangershy.ca
Wed Feb 4 17:48:55 EST 2015


The coffee tones the paper with a sort of faux sepia / brown ... The tea 
leaves the paper seemingly untoned while still offering the superior 
contrast that the coffee does.

On Feb-04-2015 17:31, Ahron Train wrote:
> Woo, awesome! I've got some random C41 rolls lying around.
>
> Was there any observable difference between tea and coffee?
>
> A Train
>
> On Wed, Feb 4, 2015 at 5:26 PM, Daria Juniper <daria at dangershy.ca 
> <mailto:daria at dangershy.ca>> wrote:
>
>     Yey! I'll have to get some C41 film meow...  Thanks you Sensens!
>
>     And for the list:
>     Tea offers better contrast than Ilford devs and the tea variant
>     does not have a 1/4 of the pungent smell that the coffee did.  If
>     you make it though, mix 10 bags into 1L of 22C water, let steep
>     with moderate agitation for at least 15 minutes, then mix in 3x
>     the specified amount of sodium carbonate and vitamin c.
>
>     120 second dev time for paper.  Have not tried Caffinol-C with
>     film yet, that's to come.
>
>
>
>     On Feb-04-2015 13:30, sen wrote:
>
>         I've ordered a 1L kit of E6 (colour slide film) chemistry and
>         a 5L kit of
>         C41 (colour negative film) chemistry from Beau Photo, they
>         should be here
>         early next week. Once we get some practice with this, I'll
>         order some RA4
>         (colour negative paper) chemistry so we can do colour prints! \o/
>         I ordered less E6 because it doesn't have a long shelf-life
>         and I'm not
>         sure who other than me shoots E6. C41 seems likely to get more
>         use. If
>         things go well and we do end up using more E6 than I expect,
>         we can always
>         order a 5L kit next time :)
>         Also, last night we tried a new variation of the caffenol
>         process we used
>         a few weeks ago, in an attempt to get similar results with the lab
>         smelling less bad. It worked quite well! The prints hanging up
>         in the
>         darkroom right now (other than the leftmost one) were all done
>         in the
>         green tea caffenol, and it definitely doesn't smell as bad.
>         I've been
>         making notes on the caffenol sheet hanging up behind the door
>         on what
>         we've been using.
>           -sen
>
>
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