12/16/2023 0 Comments Unicolor c 41 kitthe developer is certainly working, and if you didn't extend the time then it appears to be working well. I think you are pushing your luck, but people have pushed longer/farther and have been happy with their results (like 3-4x the recommended time/rolls). It's probably best to contact your local hazardous material facility (here the city waste facility will accept from individuals) and see what they say about the specific chemicals. You generally should not put darkroom chemicals down the drain. It should be fine to filter the particles from the developer. If it is failing due to oxidization it would turn dark brown-black in color. it's gradual and can be compensated for to an extent. Time wise you are probably beyond recommended, but normally the first signs of the developer failing is weaker colors and requiring longer development times. Something other than that probably indicates an issue with the developer. Your test strip should develop to fairly dense black, and that's because it was exposed to light. What do you guys think? BTW can the exhausted chemicals be discarded down the drain or they require special handling? I might use this batch of chemicals only for non-important rolls since I wouldn't need to worry a lot in case something goes seriously wrong. Since C-41 kits have started becoming pricey don't just want to throw it away if it's good. Ultrafine Unicolor C-41 Powder Home Color Film Developer Kit 1 Liter Free Ship. Ultrafine EZ8 C-41 Color Film Processing Home Developing Kit 500ml for 8 Rolls. I assume this is because the strip got exposed to light completely? Color Negative C-41 Development Kit (1-Liter Powder) AU 40.21 + AU 16.67 postage + AU 16.67 postage + AU 16.67 postage. What is the longest duration you guys have used and store a C-41 kit? Oh and one thing I noticed is with a 4 piece of strip was that after dropping in developer for 4 mins and then in blix for 6.5 mins the film turned out green. Does it mean it's bad? Can I just vacuum filter it to remove the particles and keep using it? My Blix though seems to have no floating particles and is brownish red color. I noticed there are some particles in the developer. I tried a film strip test and the results are shown in picture below: 1- Film cut from roll, 2- Dropped in developer, 3- Dropped in Blix. I guess that from the film dye though I give them a prewash, mainly the fuji films. The developer had turned from light yellowish to pink color now. So, until February 2020 I had developed 7 or 8 rolls of film (Fuji Superia HQ 200, Xtra 400, Fujicolor 200 & Ultramax 400) in this mix until now. ![]() I had stored the chemicals in a complete y black bottles with all dirt squeezed out and in refrigerator. I had mixed a batch of Unicolor C-41 development powder kit in distilled water back in late Nov 2019. I have a question regarding the usability of C-41 chemicals.
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