How many tanks have you damaged?
http://www.badassoftheweek.com/wittman.html
1st I've not broken any.
2nd, I take serious offense to you referring to me as a nazzi, in fact, I'm going to have to ask the moderators to not only remove these comments, but suspend Xmas's account, what are you thinking? You don't just call someone a nazzi, I'm offended in so many ways I don't even know what to do. You know nothing about me, what's wrong with you?!!
I suspect it is mistaking "Made in EC" (="Made in European Community") for made in .ec (i.e. tld for Ecuador)
One, this "no-pre-soak" is nonsense, always pre-soak your film if you want consistent results.
Actually, there is no real reason to presoak. Most (if not all) modern films do not call for presoak, and in the fairly long dev times, it has almost no meaning, other then being a continuation of some archaic "tradition".
I (and many years and scores of my students and peers) never presoaked, yet were somehow able to get some pretty good results.
The word "nonsense" only suggest a casual dismissal of what others might have fact based knowledge to support, for no good reason.
Agitating gently, and tapping gently (as most tank makers suggest), can help avoid air bobbles, though the manifestation of air bobbles is somewhat different then anything discussed here.
As always, knowledge, and facts are always best.
Hi Stone
I did not refer to you as a Nazi.
I also suggest you did not read the rest of the thread properly and your unnecessarily suggested action could lead to a Hazchem incident.
The developers we use are not nice to spill in a kitchen or bathroom, even the Quinol in a PQ developer is not nice.
If you are using a Patterson plastic tank the base is fragile when the tank is full of liquid and can split and leak, Ive seen it happen to a 3rd party (who banged one gently) and I have a 2nd hand one with a missing (chipped) bit of base structure. I suggest is important for you and everyone else to treat them as fragile, I don't think that was your suggestion, but I may have misinterpreted you?
The OPs problem seems to be due to a non prehardened emulsion and he appears to have solved it. The films you use are so prehardened you wont see the same problem, stop bath or temperature shock was most likely cause.
I never bang my tanks or prewash but I still always process over a wash hand basin or bath. I do sometimes have problems with fixing between the rebates and the edge of the tank but don't think that is bubbles, as it is along the film, and occurs both top and bottom, and not always out to edge...
I process a lot of of film, typically 40 cassettes per week, more when I use 120 or 220, over some 30 or so years...
Noel
Well PE says always pre-soak, and he knows more than youhah, or anyone, I take his word over anything.
Indeed PE probably does, but suggest you need to ask the specific question, does he recommend a pre-soak for a non hardened emulsion on PET film, the emulsions are like butterflies wings!
These films normally have specific handling instructions when used professionally, e.g. survelliance or cine after camera processes, e.g. Adox said
"We recommend the use of plain water to stop!"
for the earlier incarnation of CTS 100 PET, note it was really cheap and rather good.
However not withstanding PE - I never have pre-soaked, though most of the time I stand for 30 to 60 mins, so it would not make any detectable difference, though not for unhardened film it gets a short soup.
...I rinse the film for a minute before and after dev with ~12C tap water...
You have me there, I wasn't thinking about the special base, well played sir
http://www.adox.de/english/ADOX Films/CHS100_II/index.html
I quoted from the version I films data sheet, inside the box, dont know if this version (II) is prehardened. The version I was excellent film and I always process very conservatively, so I did not get any effects similar to the OP got with the Poly..., it dries flat and is crystal clear for reversal.
PE may still recommend a prebath - without prejudice. The Adox may be cheap in your shop. But it may need close tempering and preferable very weak stop or plain water if it is not pre-hardened. Load it indoors or lose frames 1 and 2 edges to fog given the PET base. YMMV
A stop bath is called out and a pre-soak for tray processing, Kodak film is normally prehardenedAs I recall, Tech Pan may also have no stop bath in their instructions. I'll have to check.
A stop bath is called out and a pre-soak for tray processing, Kodak film is normally prehardened
All I remember about the instructions is the ridiculous amount of shaking you do, you basically shake it up as if you're trying to make a soda bottle explode it's kind of silly... Lol
I learned that "banging" the Jobo tank too back in the 70s. No idea where I got from, but in hindsight it was common knowledge.
And I don't think one easily could have broken the Jobo 1000 tank.
It took me a while to figure out how to agitate. When learning how to develop film, directions are typically very explicit on times, temps, and frequency of agitation, but never on how to agitate.
The Jobo instructions for their tanks are clear on agitation:
http://www.jobo.de/web/jobo_service_analog/analog_frei/bedanleitung_pdf/Tanksystem_1500.pdf
I think the instruction from the 70s for the tank 1000 was similar.
The Jobo instructions for their tanks are clear on agitation:
http://www.jobo.de/web/jobo_service_analog/analog_frei/bedanleitung_pdf/Tanksystem_1500.pdf
I think the instruction from the 70s for the tank 1000 was similar.
The Jobo instructions for their tanks are clear on agitation:
http://www.jobo.de/web/jobo_service_analog/analog_frei/bedanleitung_pdf/Tanksystem_1500.pdf
I think the instruction from the 70s for the tank 1000 was similar.
Unfortunately, I only read English. Plus, when starting out, I basically purchased used daylight tanks and did not seek out every bit of knowledge on the web I could find.
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?