A syrup of this density is filtered to remove sugar crystals and calcium malate.
The filtered syrup is placed in the target containers while hot (usually 82 degrees C or more). To sterilize the stopper, the containers are turned upside down.
The emergence of American sweetened and carbonated beverages on the market has made kombucha or sour bread an unpopular relic.
Western corporations have succeeded, within fifty years, in completely displacing from our culture a beverage that was regularly consumed in central and eastern Europe for hundreds of years.