Jobo or Patterson

[Pyrogallol]

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On 8/22/2023 at 4:37 PM, LocalHero1953 said:

It seems to be fine for a two reel tank. I might be cautious with a five reel tank!

Back in the last millennium I had a five reel tank, but you then need bigger jugs to hold the dev, stop, fix and you risk making a mistake x5 instead of just one film. Occasionally I develop two 35mm films together but usually I develop the one I have just finished as soon as I have taken it out of the camera. A bit like recently when I used up the last few sheets of 20x16 inch paper I had, three 20x16 dishes take up a lot more space on the worktop and more chemicals than my usual 11x14 dishes and A4 paper.

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[Bill Clark]

I use Paterson and it works for me. The reel needs to be dry to ensure trouble free loading. It loads from the outside then the film goes in toward the center. 

Also I own stainless system which loads from the center of the reel. 

I like the Paterson system. 

[otto.f]

AP: https://www.fotoimpex.com/darkroom/ap-developing-tank-small-for-one-35mm-film.html

Cheap and no nonsense

[250swb]

On 8/28/2023 at 12:32 PM, otto.f said:

AP: https://www.fotoimpex.com/darkroom/ap-developing-tank-small-for-one-35mm-film.html

Cheap and no nonsense

Even for 20 Euro I think a one reel tank would be too limiting for many photographers, and from the same shop a Paterson two reel tank is only 29 Euro so still cost effective. There is also the question of how much air to have above the reel if people use inversion. I don't use inversion very often, but to ensure complete mixing many people use a two reel tank to process one film and a three reel tank to process two films. 

[Ouroboros]

I use a selection of 2-5 reel Patterson tanks.  I invert with most films except CMS20 ii

If not already mentioned on this thread, on the current version of Patterson tank the lid needs a bit of vacuum to improve the seal and help prevent leakage.  Push  the lid on firmly all around the edge, press the centre of the lid down and lift an edge slightly to release air from the tank.  Keep pressure on the centre of the lid and press the edge down again to reseal the lid.

The original Patterson tanks with the small white lid were very leaky in my experience.  The tank relied on a removable circular piece of plastic as a seal  that was inserted into the tank and held in place when the funnel was screwed in. It was a poor design that didn’t work.

The white top lids on the earlier tanks also become brittle over time and are prone to splitting, it’s a good idea to avoid the early Patterson tanks.

[otto.f]

5 hours ago, 250swb said:

Even for 20 Euro I think a one reel tank would be too limiting for many photographers, and from the same shop a Paterson two reel tank is only 29 Euro so still cost effective. There is also the question of how much air to have above the reel if people use inversion. I don't use inversion very often, but to ensure complete mixing many people use a two reel tank to process one film and a three reel tank to process two films. 

AP has bigger tanks too

[Sandokan]

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On 8/19/2023 at 11:04 PM, Sandokan said:

 

https://topfoto-bodensee.ch/AP-Entwicklungsdose-klein-für-einen-35mm-Film-p184644495

https://topfoto-bodensee.ch/AP-Entwicklungsdose-gross-für-2x35mm-1x120-oder-1x127-p184631452

I am a fan of the AP tanks and reels - especially for 120 film where the huge lip makes loading easier than the Paterson tanks.