Tools
The math of fermentation, done with the same rules as the recipes. Free and with no sign-up.
Salt and brine calculator
Salt for your weight of vegetables or water, with the guides’ verdict.
Time by temperature
How many days at your kitchen’s temperature, for each method.
Second fermentation: sugar and fizz
The sugar and the days for fizz without broken bottles.
Alcohol from hydrometer readings
The alcohol in your mead or cider from two readings.
Sourdough calculator
Hydration, baker’s percentages and when to feed it.
Mold or kahm yeast?
Three questions to know what is on the surface and what to do.
What can I ferment with what I have?
Tell us what you have and we suggest what to ferment and with what.
What to ferment this month
What is in season each month, with its recipes and the combiner.