Description
Reviews
| Brand | - |
| Category | Office Equipment, Supplies & Services / Photo Printing Equipment |
| Origin | - |
| Material | High-Density Polyethylene (HDPE) |
| Capacity Range | 350ml to 1100ml |
| Compatibility | 35mm and 120 Film Reels |
| Feature | Extendable Bellows Design |
| Chemical Resistance | Resistant to Developer, Stop Bath, and Fixer |
| Light Protection | Complete Light-Tight Seal |
| Oxidation Control | Anti-Oxidation Compression Mechanism |
| Temperature Range | -10°C to 60°C |
| Dimensions (Collapsed) | 8.5 x 8.5 x 12 cm |
| Weight | 245 grams |
Anonymous
Mar 30, 2026
Rating: 4/5
Solid upgrade from standard tanks
Works well for both 35mm and 120 formats. The only minor issue is that cleaning the bellows folds requires a bit more attention than a standard tank, but it's worth it.
Anonymous
Mar 25, 2026
Rating: 5/5
No more air gaps
Finally, a tank that eliminates headspace completely. The solution stays fresh between sessions. Highly recommended for anyone developing black and white film regularly.
Anonymous
Mar 17, 2026
Rating: 5/5
Essential for the eco-conscious developer
I love that this reduces oxidation. My D-76 lasts much longer now. The build quality feels robust and the markings on the side are clear and easy to read in low light.
Anonymous
Mar 15, 2026
Rating: 5/5
Excellent engineering
The extendable design is brilliant. It adapts perfectly to the volume of liquid needed. No spills, no oxidation, and consistent results every time.
Anonymous
Mar 15, 2026
Rating: 4/5
Great concept, slightly stiff at first
The bellows mechanism was a bit hard to push down initially, but after a few uses it loosened up nicely. It's a game changer for extending the life of expensive developers.
Anonymous
Mar 03, 2026
Rating: 5/5
Perfect for minimizing chemical waste
The compression feature works exactly as advertised. I can develop a single roll of 35mm film using significantly less developer than with my old tank. The seal is tight and no leaks occurred during agitation.
Q: Is the lid interchangeable with standard Paterson tanks?
A: No, the lid features a specialized sealing mechanism required for the compression function and is not compatible with standard Paterson or Jobo tank lids.
Q: How do I clean the inside of the compression bellows?
A: We recommend rinsing immediately after use with warm water. For deep cleaning, fill the tank with a mild cleaning solution, extend and compress the bellows several times, then rinse thoroughly. Avoid abrasive brushes.
Q: What is the minimum volume of developer required for one 35mm roll?
A: Thanks to the compression feature, you can effectively develop one 35mm roll with as little as 350ml of solution, though 400ml is recommended for easier agitation.
Q: Does this come with reels included?
A: This package includes the tank and bottle only. Reels are sold separately to allow you to choose your preferred brand (stainless steel or plastic) compatible with the tank diameter.
Q: Can this tank be used with C-41 color processing chemicals?
A: While the material is chemically resistant, this tank is specifically designed for B&W processes where temperature precision and agitation styles differ. We recommend using dedicated color tanks for C-41 to ensure optimal temperature stability.
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