Re: Pyrocat-HD for alt printing?

I have been getting lower base+fog by using pcat HD at 2:1:100 and
ensuring that the volume of developer is adequate. I use one liter
for two sheets of 7x17 film in the jobo.

Clay
On Aug 16, 2005, at 10:07 PM, donald ciccone wrote:

> Sandy, Cor, et al
>
> Thanks for all the comments/suggestions. I'm using HP5+ and
> developing for 12 minutes at 72 degrees F using slowest JOBO
> speed. Will try mixing the developer 1:1 and if that fails I'll
> reduce film exposure. The negatives do not look over exposed but
> absent any other explanation I defer to your expert judgment.
> Thanks again.
>
> Don
>
>
>
>
> ----- Original Message ----- From: "Wayne D" <wdewitt@snip.net>
> To: <alt-photo-process-l@sask.usask.ca>
> Sent: Tuesday, August 16, 2005 8:14 PM
> Subject: Re: Pyrocat-HD for alt printing?
>
>
>
>> Donald,
>>
>> You wouldn't be using a new batch of Tmax 100 with the Pyrocat
>> would you?
>> The new base is UV-blocking.
>>
>> Regards,
>> Wayne
>>
>> ----- Original Message ----- From: "donald ciccone"
>> <dsciccone@verizon.net>
>> To: <alt-photo-process-l@sask.usask.ca>
>> Sent: Monday, August 15, 2005 11:54 PM
>> Subject: Re: Pyrocat-HD for alt printing?
>>
>>
>>
>>> I am a novice alt process printer and have a question about
>>> Pyrocat-HD. I
>>> have been using this developer for a while and obtain excellent
>>> results
>>>
>> when
>>
>>> making traditional silver prints (ie using enlarging paper). I
>>> use the
>>> following working formula: Sol A 20 ml; Sol B 20 ml; 1 liter
>>> water. The
>>> processing is done in a JOBO Expert drum with 5 minute pre-rinse.
>>> Using a
>>> formula found in Keepers of the Light, I recently tried making a
>>> Vandyke
>>> (brown) print but found my exposure times were very long (30
>>> minutes or
>>> more). The UV source is a bank of 18 inch blacklight bulbs (“350
>>> Blacklight” by Sylvania). I have used the same printer with non-
>>> pyro
>>> negatives and typically get exposure times for Vandyke prints in
>>> the 5-8
>>> minute range. Ideally, I would like to get more reasonable
>>> exposure
>>>
>> times
>>
>>> for pyro-developed negatives as well (possibly 10-15 minutes). Any
>>> suggestions how to achieve this or do these negatives simply
>>> require a
>>> stronger/different UV source? The pyro negatives do not appear
>>> dense or
>>> blocked up when viewed on a light box. Thanks for any assistance.
>>>
>>>
>>>
>>>
>>>
>>> Don Ciccone
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>> --
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>>
>>
>
>
Received on Wed Aug 17 04:39:58 2005