Fermented foods like sauerkraut, kefir, kombucha and kimchi might seem like a trendy new health fad but they have been a staple part of traditional diets for thousands of years.

One kind of fermented food that I have experimented with is water kefir. I am no expert but after a little experimentation I ended up with a full blown kefir factory in my kitchen with jars gently bubbling on every surface.