There are some basic instructions on the jar - but here's a great primer on Kombucha from Sandor Katz. In it - he runs through what is is, why it is and how it works. https://www.splendidtable.org/story/2012/05/18/making-kombucha-an-excerpt-from-the-art-of-fermentationAin't got time for that? I hear you. Give it a shot with the mini-instructions attached to each jar of Mother; and, if you have questions, stop by and ask!