Silverlog Mix vs Darkroom Companion

Silverlog Mix calculates the exact amounts of stock solution and water needed to mix black and white film developer at its published dilutions. HOW IT WORKS Choose one of 12 black and white developers, pick one of its published dilutions, set your target total volume, and instantly see how much stock concentrate and water to measure out. FEATURES • 12 black and white developers, including Rodinal, HC-110, XTOL, D-76, ID-11 and Ilfotec DD-X • Each developer's published dilutions (1+1, 1+4, 1+9, 1+25, 1+31, 1+50, 1+100 and more) • Adjustable target volume • Millilitres or US fluid ounces • Save recipes and load them back with a tap • Works offline — no internet connection needed • Clean, focused interface • Dark mode support • Red safelight display mode for the darkroom USEFUL FOR • Mixing film developers (Rodinal, HC-110, XTOL, D-76, etc.) • Getting one-shot developer dilutions right without mental arithmetic • Avoiding waste by mixing only what you need Part of the Silverlog photography toolkit. No account required. No data collected.

Free film developing times and a multi-step darkroom timer for black-and-white film. Built-in development chart for common film and developer combinations, dilution calculator, reciprocity calculator and a red night mode. No subscription, no ads. Whether you are developing your first roll or your thousandth, it keeps the whole process in one place. FREE — NO SUBSCRIPTION, NO ADS • Multi-step timer — developer, stop bath, fixer, wash, wetting agent — with sound and haptic agitation cues • Night (red) mode that preserves your dark adaptation • Development time calculator for bath temperature and push/pull (± stops) • Built-in database of times for common film and developer combinations • Dilution calculator — how much concentrate, how much water • Celsius or Fahrenheit, whichever you think in • Reciprocity calculator for long exposures • One custom recipe and the last three developments in the log DARKROOM PRO — one-time unlock, no subscription • Unlimited custom recipes and custom process steps • Chemistry log — tracks expiry and exhaustion, warns you before you pour dead fixer • Unlimited development history • Data export and import Times are indicative. Verify them against the manufacturer datasheet before real use — the app reminds you as well. PRIVACY The app collects only anonymous usage statistics — which screens are opened and which features are used — so it can be improved. It does not send your recipes, log, notes or anything else you type into it, and it uses no advertising identifiers.