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I've been having the same issues. I have a much smaller darkroom than I used to, so I had to part with my Jobo, and got a SP-810. I've had nothing but trouble with it so far: Uneven development,...

https://i2.wp.com/quaygang.com/wp-content/uploads/2020/09/Ocean-Fence-and-Picnic-Table.jpg?fit=1024%2C802&ssl=1

The final resolution to the lines in the scans issue I was having was that the while lid / transparency scanner needed to be replaced. It works fine now. I still haven't bought Silverfast, but I...

Here's one done with the original Epson Scan program.

https://live.staticflickr.com/65535/39657769693_b94eca7914_k.jpgHay Rolls near Silverton, Oregon by Gary L. Quay, on Flickr

Thanks for your help!

I was having some issues at the time with dust (it was 2013), but most of it on this scan was due to running an experiment to get rid of the lines. I placed it on a piece of...

Can you see it on this reply?

https://live.staticflickr.com/65535/49674998642_6f756d48d0_k.jpgCrown Point, June 2013 by Gary L. Quay, on Flickr

https://www.flickr.com/photos/foolscape_imagery/49674998642/in/dateposted

It won't display here, but I right-clicked on the little box with the question mark, and it took me to the image. I may...

I can, but I don't want anyone on Flickr to see it. I'll try making it private, and see if it will post here.

201767

I'm not sure if this will be very good. The forum limits pictures to 250K unless they're on a server. You can see the lines, though. Thanks!

I'm getting lines in my 5x7 and 8x10 scans that look like they are from the LED's that are used in the scanner. Is this due to laying the film directly onto the scanner glass, and would a film...

Thanks! I've been thinking seriously about trying Obsidian Aqua. What I like about 510-pyro and Obsidian Aqua is that they eliminate the rapid oxidization that plagues PMK. You can actually tray...

No. Not really. Oh, well. I'll take the fixed densitometer and call it a success, though.

--Gary

Actually, I mentioned those other developers because I've had good results with them. I had very good results this morning with Ilfotec-HC. What I'm asking for is not accusations of bad practices...

A further consideration for getting my processes straightened out is whether or not I should do a presoak. I will likely to be moving to a dip & dunk system for everything. I just need some more...

I did some densitometer investigation, and discovered why I couldn't make heads or tails out of it. There was black crud throughout the inside, including on the lenses and mirrors. I took it apart,...

So, you adjust the dial until the small dot in the center matches the larger dot surrounding it, and that's your density?

Thanks! I'll give it a try.

--Gary

I never got the email. Could you please try again? A Private Message here on LFinfo would work.

Thanks!

--Gary

Blue Moon runs an excellent lab. One wonders if environmental factors are at work were in Portland. Something in the water, maybe.

That's a relief. Now, I can start a new web site.

Thanks!

--Gary

Yes, please.

--Gary

I worried that this was the problem. The last few negatives I processed never left the soup. I moved them around rapidly in the Liquid. I don't think I had any issues with those negs. I haven't...

I've used 510 Pyro, and I've never had the mottling problems with it. I may try Obsidian Aqua. Who knows? I haven't had the time to do the testing required to use either. I've always relied on...

Yes. I process either single sheets with constant agitation for the first minute, and every 15 seconds after, or i process multiple sheets with continuous agitation.

Thanks to everyone for the replies. I suppose it's time to break down and buy the densitometer manual (unless someone wants to scan theirs and email it to me), and do the film testing. While some...

I've been to this page, but I have so far refused to pay that much for a photocopy, but as a last resort, I'll do it.

Thanks!

--Gary

I don't know how to use it. I've looked online for tutorials, but none deal with the model I have. it's a Kodak Model 1.

Not yet. I have some from Photographers' Formulary that I haven't opened.

--Gary

The next question, I guess, is: does anyone know how to use a Kodak Model 1 densitometer? I have a very old one. It looks like it is from the 1930's or 1940's.

Distilled water for mix, Portland water for wash.

--Gary

I bought a Kodak Model 1 densitometer a couple years age, but I have't found a manual for how to use it. Also, film testing is something I aspire to have the time for, or, rather, to make time for. ...

I tend to contact print my 8x10 negatives, and enlarge the 4x5 and other formats. I don't develop for scanning.

--Gary

Uneven, blotchy areas. I get this with no other developer. I have "The Book of Pyro," and I've read it cover to cover.

--Gary

I've been threatening to do this for a few years, but I've finally decided to stop using PMK Pyro. I've had too many negatives ruined. I want to switch to another developer as my mainstay. I've...

Thanks!

I'll just go back to selenuim toning. I really don't want to touch my film with anything after I pull it out of the final solution.

--Gary

From Photographers Formulary:
http://stores.photoformulary.com/-strse-80/Developer-BW-dsh-44-Liquid-Film/Detail.bok

I also like Clayton F76+ It's similar to Ilford ID-11. ...

The only thing I've ever seen damage pyro stain in plain old water. I left some negatives soaking in a tray while I developed another batch (because the previous batch was not done washing), and...

Please post the results. I'd love to see what you come up with.

--Gary

I tried to wash 8x10 film in my archival washer and damaged it badly trying to get it back out. I wouldn't suggest it.

--Gary

I number all of my film holders and keep an exposure record. If I have any question about whether something was shot, I refer to my record. If you haven't tracked it, there is no way to know if the...