Chem LogChem Log

Track Your Film Chemical Use and Exhaustion

Add New Chemical

— Manage your film rolls and assign your chemicals to them. This will help you track your film from camera to picture and tally up chemical usage here.
— Quickly and accurately calculate dilution ratios without leaving Chem Log.

Chem Log helps improve image quality and avoid mistakes when developing film at home.

Chem Log keeps a record of all the mixing dates. You may review them before developing film to ensure that your chemicals aren’t expired.

Chem Log will also calculate time extensions for reusable film developers. For example, C-41 chemicals can be reused multiple times, but the development times have to be extended based several factors — this app will tell you what your new developmet times should be.

How to use Chem Log.

1) Select your chemical type (i.e., Developer, Bleach, Stop, Fixer, etc.) and give it a name. The app will begin tracking this chemical for you.

2) Open Film Log (a free Analog.Cafe web app) and start logging your film rolls.

3) Once your film is in Development, tap the purple beaker button and mark all the chemicals you’ve used to develop your film.