Fermentation Guides & Calculators

Practical tools built for professional chefs and serious fermenters — free to use, no signup required.

You can also find video instructions on how to use the HakkoBako Pro Fermentation Chamber.

Fermentation Brine Calculator

Calculate precise salt ratios for lacto-fermentation, brines, and pickles by weight.

Sourdough Starter Feeding Calculator

Get exact flour and water ratios for any hydration level and starter quantity.

HakkoBako Pro Video Instructions

Step-by-step video guides for setting up and using the fermentation chamber.

Click below to discover more about the HakkoBako Pro Fermentation Chamber