Kombucha Scoby Mother1 x round Scoby mother 100mm round 1L of starter Kombucha A Scoby stands for "symbiotic culture of bacteria and yeast", also known as a Kombucha mother, starter or mushroom. It is used to start the fermentation process of kombucha, a sweet tea of botanicals into a fermented slightly fizzy beverage. Kombucha is known to contain some probiotics and antioxidants however this can be largely determined by the botanical's teas used in the making of the