Can I culture my kombucha tea in a cupboard, on a window sill, etc.?
A. It is important to keep fermenting kombucha out of direct sunlight and away from excessive heat or cold (heat can speed the fermentation process and/or damage the culture; cold can slow the fermentation process significantly). We often culture kombucha in a closed cupboard or inside a box. Kombucha does need to breathe during the process but both those locations allow for some air to enter.