Most fermentation failures come down to one thing: not tracking what you did. This logbook gives you a structured way to record every batch, name, start date, pull date, and observations on flavor, texture, smell, and pH, so you can replicate what works and understand what didn’t.
The paid version includes a full reference section built around the science of what’s actually happening in your jars. You’ll find a quick reference table for popular ferments with temperature and pH ranges, a breakdown of the four main microbial groups and what they produce, the four lifecycle phases of fermentation and what to look for at each one, a comparison of homofermentative and heterofermentative LABs with the metabolic pathways behind each, and a ferment-by-ferment guide to recognizing over-fermentation before it ruins a batch.
It’s designed for people who ferment regularly and want to get more deliberate about it.
Matthew Cress, Dietitian Nutritionist.






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