CineStill CS41 Liquid Developing Quart Kit for Processing C-41 Color Negative Film

The CineStill CS41 Liquid Developing Quart Kit provides photographers with a complete, two-bath C‑41 color negative chemistry system, perfect for at-home developing. Designed to simplify film processing, this kit enables consistent, archivable results—whether you're a beginner or seasoned pro—using existing black & white developing tanks and reels.

With a liquid concentrate formula, the CS41 kit is easy to mix and use, yielding vibrant, true-to-life color negatives ready for scanning or printing. The developer and bleach-fix components are formulated to last for up to 24 rolls, ensuring cost-effective performance over time. Clear instructions and a handy processing time reference card are included to streamline your workflow.

Key Features

• Two-bath C‑41 chemistry: Developer and Bleach-Fix
• Pre-measured liquid concentrates for 32 oz (quart) working solutions
• Reusable for up to 24 rolls of film
• Flexible processing temperatures compatible with daylight tanks
• Archival quality with long shelf life
• Includes rinse-aid stabilizer and processing time reference card

Technical Specifications

• Processing Format: Color negative film (C‑41)
• Volume: Makes one quart (32 oz) of working solution
• Reusability: Up to 24 rolls per kit
• Contents: Liquid Developer (3 parts), Bleach-Fix (3 parts), Rinse-stabilizer
• Compatible Equipment: Any standard daylight tank & reel system
• Storage & Shelf Life: Archival-grade storage, stable over time

What’s Included In The Box

• Developer concentrate (three bottles: A, B, C)
• Bleach-Fix concentrate (three bottles: A, B, C)
• Rinse-aid/stabilizer solution
• Processing times reference card
• Mixing and processing instructions PDF (downloadable)