Continuous brew kombucha continues to brew indefinitely as you remove kombucha for drinking and replace it with sweet tea. With the single batch kombucha brewing method, you simply start a new batch every time you brew, saving a bit of kombucha from each batch in order to start the next batch. Wondering how to start continuous brew kombucha? Let’s take a look at the supplies you’ll need to get started, along with step-by-step instructions.