Archived posting to the Leica Users Group, 2002/07/21

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Subject: Re: [Leica] Developing Temperature
From: Christer Almqvist <chris@almqvist.net>
Date: Sun, 21 Jul 2002 23:38:47 +0200
References: <200207202210.g6KMANk00783@panix1.panix.com>

>i think it all depends on the ambient temperature in the room.
>
>one thing you can do is to take the temperature of the developer
>after you are done and assume the midpoint between starting and
>ending temperature.
>
>if the temperature of the room is above 68 degrees, you could use
>a water bath to put the tank in will with water a few degrees
>below 68.

I find a wet towel around the tank is better for lowering the 
temperature than using a water bath.

Chris

>
>in general, i start draining tanks 10 seconds before the time is up,
>which is good with my jobos even with 6 reels. 
>
>-rei
>
>
>>  From: "Tom Smart" <tom@sleepytom.com>
>>
>>  I've started to develop my own film with Ilford's online reference as my
>>  guide.  The reference recommends starting the developing process at 70
>>  degrees F., allowing it to cool to 68 degrees during development (dd-x
>>  developer).  Is it common to allow for 2 degrees of cooling during
>>  development, or is it more typical to start at 68 degrees?  My first roll of
>>  Ilford Delta 100 seemed to work well as suggested (12 minutes), now I'm
>>  going to develop a couple of rolls of Delta 400 and plan to start it at 70
>>  degrees (8 minutes).  Also, can I plan on both rolls in a 2-roll tank to
>>  develop evenly or will the 30-second pour time allow the bottom roll to
>>  develop more strongly than the top roll?
>>
>>  Thanks,
>>
>>  Tom Smart
>
>
>--
>Rei Shinozuka shino@panix.com
>Ridgewood, New Jersey
>
>--
>To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html


- -- 
Christer Almqvist
D 20255 Hamburg and / or
F 50590 Regnéville sur Mer
http://www.almqvist.net/chris/new
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In reply to: Message from "Rei Shinozuka" <shino@panix.com> (Re: [Leica] Developing Temperature)