HELP--Tri-x, blue cast

[Markok765]

I'm confused! For the first time ever, my films have a blue tint! The edges[where the film touches the reels] are a normal purple color[this is normal.] Any ideas? Tri-x Film, T-max developer, fresh fixer[though it could be expired since it is a 5L bottle and I bought it a long time ago]

Anyone know what is this? After washing the negs and seeing this, I refixed them for 12 or so min, and washed again, and hung them to dry. The color is still there. Thanks for your help everyone!

 

[CBG]

Check out www.apug.org/forums/forum37/33868-p...ew-tri-x-other-films-not-blue-green-cast.html for a start.

C

 

[Markok765]

So It's the anti halation layer? Will it affect printing?

 

[milosz]

So It's the anti halation layer? Will it affect printing?

First, this is nothing that a good wash would not sort. In my experience, 35mm and 120 have this pinkish tinge before the wash but ten minutes of running water and a few good shakes in a tank eliminates the problem. It gets partially removed during the development (hence the waste colour)…I got also amused once when I discovered that Agfa APX in 35mm stains the developer green, whereas in 120 the usual pink. Regarding the printing, in principle and practice, that tinge should affect the contrast, so one is better of to wash it good..…

Was it the usual format you use?

 

[Thomas Bertilsson]

Well, photo papers are sensitive to blue and green. But Foma has 120 film with a blue base (on purpose) and those negs print just fine on both graded and variable contrast papers.
I have been using Kodak Plus-X a lot lately (thanks, Gary!) and used Rodinal for the most part. Those negs come out clear but with an ever so weak pink tint that's barely recognizable. The other day I decided to try out HC-110 and those negs have an ever so slight blue cast to them.

I say don't worry about it. And they lived happily ever after.

- Thomas

 

[Markok765]

Its the normal format I use [35mm] and this never happened before. So, it shouldn't affect the photos?

 

[milosz]

Have you changed anything about your processing? Is this a regular thing or just one off? The resulting colour is a product of a complex interplay between surface chemistry and processing chemicals… Based on the Agfa experience my guess was that different colour stemmed from a different base used for 35 and 120…but this is just a speculation…Whichever the cause, these should wash away completly…Once you go to the darkroom, you will know whether there is a contrast problem or not…

 

[Markok765]

This was normal developing, and I tried again with the same chemicals, and this time it was fine. My fixer is blue now, if that matters.

 

[David A. Goldfarb]

It will wash out. Use a wash aid like Permawash or Hypo Clearing Agent to reduce wash times and remove the anti-halation and sensitization dyes from film more quickly.

 

[Thomas Bertilsson]

Well, for what it's worth, I can use Foma with a very blue film base, and Tri-X side by side, and prints from both turn out exactly the way I want them to. You're making too big of a deal out of this. Relax, print the negs.

If you really want to wash the blue tint out, David's advice could help.

- Thomas

Its the normal format I use [35mm] and this never happened before. So, it shouldn't affect the photos?

 

[imazursky]

I also have the same problem with tri-x 4x5 in my phototherm. It seems to only happen on tri-x and nothing else.
My HP5 comes out perfect. If you look at the film on a light box, it looks bluish green to me.
If i send it out to my lab (LTI), they run it in a D&D Xtol and it comes out normal.
It might have something to do with the Tmax dev 1:5 in the phototherm...maybe.
I remember this starting when Kodak changed the notch codes a year or so back. Before that, it was the normal gray, after...bluish.