How much developer to use when developing one role of 35mm film in a Patterson two-tank system? - Darkroom - Leica Forum

Large developing tank for 120 film?

Large developing tank for 120 film?

Ilford Photo updates its Multigrade darkroom paper, introduces Ortho Plus film in smaller formats: Digital Photography Review

Darkroom Spiral Reel for AP Paterson Kaiser Film Developing Tank 120 127 135 Multi-Format Film Holder Camera Processing Accessories Kit : Electronics

Black and White Film Processing Using Paterson Tanks - Darkroom Dave

What's a really good developing tank/reel combo for a noob to developing film?

Darkroom Compact Developing Tank with 4x5 Spiral Reel for B&W Color Film Processing Equipment 4x5” Large Format Camera Accessories : Electronics

AP Mini Compact Film Developing Tank For One 35mm Film - BCG Film & Photography

Dumb question but how much developer do I add for two rolls? : r/AnalogCommunity