Questions tagged “chemistry”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

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130

Can I split CineStill dry C-41 chemicals by weight to mix smaller batches?

darkroomcinestillchemistryfilm-developingc-41

bmargulies

2y ago

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142

Does developer volume change chemical capacity, or just the minimum needed to cover the film?

darkroomchemistryjobofilm-developmentc-41

Photography Stack Exchange contributor

3y ago

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292

What are the advantages of separate bleach and fixer in C-41 versus a blix kit?

darkroomcolor-negative-filmchemistryfilm-processingc-41

Photography Stack Exchange contributor

5y ago

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157

What’s the difference between 2-bath, 3-bath, and multi-step C-41 processing kits?

darkroomcolor-negative-filmchemistryfilm-processingc-41

Photography Stack Exchange contributor

7y ago

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184

Do stop bath and fixer temperature matter during film development?

darkroomtemperaturechemistrydevelopmentfilm

Photography Stack Exchange contributor

7y ago

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127

Can I mix film-processing chemicals from different manufacturers?

darkroomblack-and-white-filmdevelopingchemistryfilm

Photography Stack Exchange contributor

7y ago

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239

How do I use Adox Adostop Eco stop bath for film, and when should I replace it?

darkroomblack-and-white-filmchemistrystop-bathfilm-processing

Photography Stack Exchange contributor

7y ago

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96

Should a 1+50 Adox Rodinal working solution be reused or discarded?

darkroomdevelopingchemistryfilmrodinal

Photography Stack Exchange contributor

7y ago

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186

How long do unopened XTOL and D-76 powder developers last?

darkroomd-76chemistryfilm-developmentxtol

Photography Stack Exchange contributor

7y ago

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68

Are color darkroom paper and chemicals for printing from negatives still available?

darkroomchemistryfilm-photographycolor-printingra-4

Photography Stack Exchange contributor

7y ago

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147

Why do my RC darkroom prints have yellowish highlights, and how can I prevent it?

darkroomprintingblack-and-whitechemistryrc-paper

Photography Stack Exchange contributor

9y ago

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84

How can I keep darkroom chemistry at a stable 68°F automatically?

darkroomchemistrydiytemperature-controlfilm-processing

Photography Stack Exchange contributor

9y ago

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2

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100

Can Kodak T-Max film developer be used for black-and-white photo paper?

darkroomblack-and-whitechemistryfilm-developmentphoto-paper

Photography Stack Exchange contributor

9y ago

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225

How can I make a simple gelatin silver photographic emulsion for hand-coated prints?

darkroomsilver-gelatinchemistryalternative-processdiy

Photography Stack Exchange contributor

10y ago

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164

What happens if you develop film with expired developer?

darkroomchemistrydeveloperfilm-processingfilm

Photography Stack Exchange contributor

10y ago

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192

Can the dye-forming chemistry in color film be altered or replaced during development?

darkroomchemistrycolor-filmfilm-processingfilm

Photography Stack Exchange contributor

11y ago

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139

Does sealed powdered Kodak D-76 developer expire?

darkroomchemistrykodak-d76developerfilm

Photography Stack Exchange contributor

11y ago

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259

Is stop bath necessary when making black-and-white darkroom prints?

darkroomprintingblack-and-whitechemistrystop-bath

Photography Stack Exchange contributor

11y ago

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133

Why can developed film negatives be viewed in daylight without being ruined?

darkroomnegativeschemistryfilm-processingfilm

Photography Stack Exchange contributor

12y ago

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128

Why did my Ilford Rapid Fixer turn purple after fixing old color film, and is it still usable?

darkroomfixerchemistrycolor-filmfilm-processing

Photography Stack Exchange contributor

13y ago