Kahm yeast appears as a thin layer, sometimes called a pellicule, on fermented pickles when there has been a bit too much air exposure. Identify it and learn all you need to know about the wrath of Kahm.
Probiotic supplements are expensive, so why not try and make the fermented foods packed full of the most probiotics you can? This is a savory twist on traditional sauerkraut, with an additional trick to insure many good bacteria strains.
In a nutshell, fermented foods tend to be very good for the gut. It’s written that Tiberius, of Roman fame, always carried a barrel of sauerkraut with him on long voyages to protect himself from intestinal infections.