Kombucha mold may grow if the brew is under-acidified or too cold. ... Those blue circles of mold are the problem, while the white circles of SCOBY growth are normal. Powdery tan mold covers much of a new SCOBY – mold is always DRY! White fuzzy dry mold is easy to spot.

Can a moldy scoby be saved?

A moldy brew is a lost cause, unfortunately. You cannot salvage a SCOBY that's already been infected with mold. Clean and sanitize/sterilize all equipment that's come in contact with your kombucha and start over with a new SCOBY and new starter tea.

Why did mold grow on my scoby?

Often times mold is the result of either not enough sugar, your kombucha not being kept in a warm room or including extras in your kombucha which encourage mold growth. Also, don't let your scoby dry out, it should be kept in a moist environment of liquid.