DarkroomFlow

Develop film with confidence! Manufacturer-accurate timing and agitation patterns for B&W and C-41. Beautiful interface. No ads. No subscriptions. Free forever.

Main Description

DarkroomFlow is a precision film development timer designed for analog photographers who develop their own black and white and color film. Whether you're processing Ilford HP5+, Kodak Tri-X, or C-41 color negatives, DarkroomFlow guides you through every step with manufacturer-accurate timing and agitation patterns.

ACCURATE TIMING

Built on data from the Massive Dev Chart and manufacturer specifications, DarkroomFlow provides precise development times for hundreds of film and developer combinations. Every agitation pattern follows official guidelines from Ilford, Kodak, and CineStill to ensure consistent, professional results.

STEP-BY-STEP GUIDANCE

The app walks you through the complete development process:

• Developer - with manufacturer-specific agitation patterns
• Stop Bath - continuous agitation for proper neutralization
• Fixer - industry-standard timing and intervals
• Final Wash - thorough film cleaning

VISUAL FEEDBACK

Watch your development tank rotate on screen with real-time agitation indicators. The animated tank shows exactly when to agitate, making it easy to stay on track even in a dark room.

GITATION PATTERNS

• B&W Films: 10 seconds initial, then 10 seconds every 60 seconds (Ilford standard)
• C-41 Color: 10 seconds continuous initial, then 4 inversions every 30 seconds
• Stop Bath: Continuous agitation throughout
• Customizable patterns for different techniques

KEY FEATURES

-Multiple temperature options (68°F, 70°F, 75°F, etc.) -Dilution ratios (1+1, 1+4, stock, etc.) -Pause and resume functionality -Audio and visual agitation alerts -Beautiful liquid glass interface -Dark mode optimized for darkroom use -No ads, no subscriptions

SUPPORTED FILMS

• Ilford HP5 Plus, FP4 Plus, Delta 100/400/3200
• Kodak Tri-X, T-Max, Plus-X
• Fuji Neopan, Acros
• Fomapan, Rollei, Kentmere
• All C-41 color negative films
• And many more...

SUPPORTED DEVELOPERS

• Ilford ID-11, Ilfosol, Microphen
• Kodak D-76, HC-110, T-Max
• Rodinal/R09
• CineStill CS41 (C-41)
• Tetenal Colortec (C-41)
• And dozens more...

PERFECT FOR

• Home darkroom enthusiasts
• Photography students
• Professional photographers
• Anyone developing their own film

LEGAL & SAFETY DarkroomFlow provides guidelines based on manufacturer specifications. Always refer to official documentation for your specific chemistry. Film development results can vary based on chemistry age, temperature accuracy, and technique. Test with non-critical film first.

PRIVACY

DarkroomFlow does not collect any personal data. No account required. No tracking. Your development sessions stay on your device. Start developing film with confidence. Download DarkroomFlow today.