Archived posting to the Leica Users Group, 2003/09/10

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Subject: Re: [Leica] E6@home [was: Rant: another screw up by New Lab...
From: Alastair Firkin <firkin@ncable.net.au>
Date: Thu, 11 Sep 2003 16:11:31 +1000

I would add, that the bigger Jobos are selling second hand at very 
reasonable prices. I have an old ATL 3 and for me its perfect. Does the 
lot, once I press the buttons: all I need to do is make sure the 
chemistry containers are full ;-)
On Thursday, Sep 11, 2003, at 07:16 Australia/Melbourne, Roy Zartarian 
wrote:

> The Jobo will indeed bring the solutions up to temperature, but I 
> don't think the analog control on the CPE2 is all that precise.  So I 
> verify the solution temperatures separately just for my own peace of 
> mind.  I switched to a mercury thermometer after I discovered that the 
> alcohol fill thermometer I had been using was reading several degrees 
> lower than the actual temperature with the result that black and white 
> film came out reticulated due to the colder wash water and slide film 
> had a strong magenta cast.  I also use the mercury thermometer as a 
> check against the dial thermometer on the faucet I use for wash water.
>
> As for getting the solutions up to temperature quickly, I fill the 
> Jobo trough with water at about 95 degrees Fahrenheit, then let the 
> processor bring both the water bath and the chemistry up to 100 
> degrees.  The material of which the Jobo bottles are made does a good 
> job of conducting heat.
>
> Roy
>
> On Wednesday, September 10, 2003, at 04:13  PM, Richard F. Man wrote:
>
>> Thanks all for the answers! I think I will do it, after discussing it 
>> w/ the AFO (Assistant Financial Officer, I do all the finance stuff, 
>> she signs the checks so to speak :-) ) later.
>>
>> One final question - "..good mercury thermometer to verify solution 
>> temperatures..." I thought the Jobo will take care of the water 
>> temperature, but I guess the solution temperature is important too? 
>> What is the process of getting the right solution temperature? Zip 
>> water in microwave, check w/ thermometer and adjust?
>>
>> At 01:20 PM 9/10/2003 -0400, Roy Zartarian wrote:
>>> That's pretty much the process in a nutshell except that you have to 
>>> pour and drain each step of the chemistry at the proper time, a task 
>>> facilitated by the use of the correct Lift for the processor.  Other 
>>> items you might consider acquiring are a good mercury thermometer (I 
>>> got mine from Edmund Scientific) to verify solution temperatures,
>>> appropriately graduated measuring cylinders (same source) if you 
>>> decide to mix small batches of chemistry from a 5 liter 6-step kit, 
>>> and a tupperware or Rubbermaid container to hold the stabilizer or 
>>> final rinse since that stuff shouldn't be used on plastic reels.
>>>
>>> ...
>>
>> // richard <http://www.imagecraft.com> 
>> <http://www.dragonsgate.net/mailman/listinfo>
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>
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>
Alastair

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Replies: Reply from "Jorge M. Treviņo" <jorge@jorgemtrevino.com> (Re: [Leica] E6@home [was: Rant: another screw up by New Lab...)