Hi Livio,
did you see there is someone in Denmark selling 34 rolls/122m of N75:
https://www.ebay.de/itm/294841390126
All the best for your project,
Thomas.

Thomas Bartels
https://vimeo.com/thomasbartels

> Ugo Bo <[email protected]> hat am 11.03.2022 00:24 geschrieben:
> 
> 
> Many thanks to everybody.
> 
> After my last post I got my hands on another "new" Lomo (UPB-1A) and it 
> actually works differently from the other "new" one: the lid comes on and off 
> much more easily, there's a wider gap to leave liquid to fill the tank 
> quickly, like in the "old" model. Now development comes even as expected.
> 
> So seems working tolerances were quite shabby.
> 
> I think I'll follow Friedemann advice for the other tank: I'll rework the 
> center of the bottom spiral a bit to keep less distance between it and the 
> tank's bottom.
> 
> About agitation (up and down or gently rotation) I think is more a matter of 
> religion: I'm always have been of the up and down church, and I'm not 
> concerned about light spill, since I work only with a dim red light in my 
> darkroom, not directly over the tank.
> 
> Just to let you know: the project we are working on had to start with Orwo 
> UN54 stock, but since we weren't able to buy anything yet we started with the 
> stock we had: double-x that we decided to unconventionally try as reversal 
> (PQ-Universal + Permanganate bleach). It came not so bad, actually (after I 
> solved the tank issues).
> 
> Best
> Livio
> 
> Il giorno gio 10 mar 2022 alle ore 09:15 Adrian Cousins <[email protected] 
> mailto:[email protected] > ha scritto:
> 
> > I’ve had that issue with my first (used)  UPB-1A but I think it was 
> > possibly something to do with the smaller components - screw, spacer etc 
> > coming from a different tank (possibly a previous version), I bought a 
> > couple of brand new tanks and I’m able to move the spiral up and down as 
> > well as rotate on both of them with no problems, the lids are slightly 
> > loose so you can lift them up on one side to let air in, this allows you to 
> > pour chems in and out quickly
> > 
> > 
> > On Wed, 9 Mar 2022 at 13:44, Ethan Berry <[email protected] 
> > mailto:[email protected] > wrote:
> > 
> > > I have sometimes filled the tank through the drain hose using a funnel at 
> > > the end of the hose. Drain it as you normally do.
> > > The "old" tanks that I have usually hold about 1,800 ml. I would guess 
> > > that the "new" tank holds slightly less.
> > > If the spindle won't go up and down, perhaps spinning it would work for 
> > > agitation.
> > > 
> > > Ethan Berry
> > > ANYEYE Film Lab
> > > Montserrat College of Art 
> > > 23 Essex Street,
> > > Beverly, MA 01915 
> > > 
> > > 
> > > 
> > > On Wed, Mar 9, 2022 at 5:23 AM Ugo Bo <[email protected] 
> > > mailto:[email protected] > wrote:
> > > 
> > > > Hallo everybody
> > > > 
> > > > I've been happily using a 50ft Lomo tank for years, mine is the "old"
> > > > model (UPB-1 - version 1). Now a friends of mine bought the "new"
> > > > model (UPB-1A or version 2) and I'm teaching him how to use it.
> > > > 
> > > > As some of you probably now, the "new" one has a lower body than the
> > > > "old" one (70mm against 78mm, here's the difference explained:
> > > > https://sites.google.com/site/olexserviceskinor/processing-of-a-cine-film-in-home-laboratory/spiral-processing-tanks/upb-1-upb-1a-spiral-tanks?authuser=0).
> > > > 
> > > > In the past I processed only super8 also with a "new" model, and it
> > > > worked fine, but now, processing 16mm, I realized that a problem
> > > > arises: the "new" one leaves a very tiny room for liquid to pass, so
> > > > it takes a very long time to fill the tank, a problem that I never
> > > > experienced with my "old" one. Long filling time makes developement
> > > > uneven.
> > > > 
> > > > When processing 2 x 16mm the problem is even worse: the gap is really
> > > > thin, liquid takes ages to enter, and is also impossible to move the
> > > > spiral up and down (my way of agitation).
> > > > 
> > > > I thought of filling the tank first with liquid, and then dropping the
> > > > spiral in the dark in the liquid, but is quite an hassle.
> > > > 
> > > > Did you have the same issue? And what's your trick?
> > > > 
> > > > Best
> > > > Livio
> > > > _______________________________________________
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> > > > [email protected] mailto:[email protected]
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