6 Best Fermentation Chambers
https://www.brewcabin.com/fermentation-chamber/
Acetobacter - Wikipedia
https://en.wikipedia.org/wiki/Acetobacter
Fermentation and Daily Life
https://www.notechmagazine.com/2018/07/fermentation-and-daily-life.html
Lactobacillus - Wikipedia
https://en.wikipedia.org/wiki/Lactobacillus
Perry Vinegar
https://www.splendidtable.org/recipes/perry-vinegar
Scotch Whisky Vinegar
https://www.scotchwhiskyexperience.co.uk/online-shop/products/282-scotch-whisky-vinegar
What Is Koji? - Food Republic
https://www.foodrepublic.com/2017/05/04/koji/