[pure-silver] Re: Acid Stop and FB was " RC to FB"
- From: DarkroomMagic <info@xxxxxxxxxxxxxxxx>
- To: PureSilverNew <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 31 Dec 2004 21:05:38 +0100
> I guess you'd still need to put the print thru a water rinse after the acid
> stop to minimize any effect on the alk fixer, right?
Sounds reasonable, but I don't do it, because I change the 1st fixing bath
as soon as silver levels have reached 0.8 g/l anyway.
> Do I really need another tray with acid stop?
No, you don't NEED it to protect the fixer if you rinse in between. However,
I can measure post development in the water bath if no stop bath was used. I
can even measure it in the fixer if no water rinse was used. This all does
not matter if you time your development AND your water bath and keep
consistency in your processing. I'm sure your way works fine that way.
Using a stop bath is a sure way to 'kill' development at a known processing
point and protect the fixer at the same time, that's all.
Regards
Ralph W. Lambrecht
On 12/31/04 7:45 PM, "J.R. Stewart" <jrstewart@xxxxxxxxxxxx> wrote:
> I guess you'd still need to put the print thru a water rinse after the acid
> stop to minimize any effect on the alk fixer, right?
>
> And do you really get that much continuing development once you put the
> print into the water stop bath? I'm using a tray with a Kodak siphon
> sucking water off the stop bath as new water is added. I let the print sit
> in there with moderatly high volume of water flow for at least a minute.
> Then it goes right into the fixer (TF4). I usually develop my prints for
> 4-6x factorial... isn't activity pretty slow already by that time? Do I
> really need another tray with acid stop?
>
> Jim
>
> ----- Original Message -----
> From: "DarkroomMagic" <info@xxxxxxxxxxxxxxxx>
> To: "PureSilverNew" <pure-silver@xxxxxxxxxxxxx>
> Sent: Friday, December 31, 2004 12:39 PM
> Subject: [pure-silver] Re: RC to FB
>
>
>> An acid stop is a good idea if you want to make sure that there is no post
>> developing. This is especially true for alkaline fixers.
>>
>>
>>
>>
>>
>> Regards
>>
>>
>>
>> Ralph W. Lambrecht
>>
>>
>>
>>
>> On 12/31/04 4:10 PM, "Ole Tjugen" <oftjugen@xxxxxxxxx> wrote:
>>
>>> On Fri, 31 Dec 2004 06:12:31 -0800 (PST), titrisol <titrisol@xxxxxxxxx>
>>> wrote:
>>>
>>>> FB requires an acid stop
>>>> fix with stronger fixer, and is best if you use 2 bath fixing
>>>> use hypo-clearing
>>>> wash for longer times
>>>>
>>>
>>> No it doesn't. I use water wash instead of stop with everything except
>>> lith prints, Alkaline fixer in full strength, never hypo-clear. Acid stop
>>> is not a requirement.
>>>
>>> But they DO need longer wash.
>>>
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