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JOBO

C-41 Colour Negative Developing Kit

C-41 kit Liquid concentrate In production Reusable

Development times

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Showing 1 of 299 published times.

Film Dilution EI Time Source
Solaris FG 100 Plus working solution 38.0 °C 100 3:15
Verified Datasheet Report

Reuse

Checked 21 October 2026

JOBO says JOBO C-41 Colour Negative Developing Kit may be used for more than one film.

Longer time for reuse: Colour developer at 38 °C (rotary processing) by rolls in 1 litre of working solution: rolls 1-4 3:15, 5-8 3:30, 9-12 3:45, 13-16 4:00.

Capacity, as the maker states it: 1 litre of working solution: up to 16 rolls; 1.25 litres: 20 rolls; 2.5 litres: 40 rolls (135-36 or 120).

JOBO C-41 Negative Developing Kit ... All the processing chemical is concentrated solution to make max of 2,5L working solution which allows processing up to 40 rolls of film (135-36exp or 120 films). ... In case a small amount of film is to be processed, it is possible to make as little working solution as possible. For instance, the chart above shows to make 1L of working solutions to process 16 rolls of film at the most. ... It is possible to processes 20 rolls of films at most with using 1,25L of working solutions.

# 9240 JOBO C-41 Color Negative Developing Kit - instructions (JOBO International GmbH, rev. 2022.10, 6 pp.) ↗

Dilutions

  • working solution undiluted stockStock solution The concentrated form of a chemical, or a developer used undiluted. Read more in the glossary ›

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Specification

Type
C-41 kit
Form
Liquid concentrate
Capacity rolls per litre
16.0
Shelf life, unopened
—
Shelf life, opened
—

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