After adding fresh sliced ginger to the boil of one of my brew pots for an extended time/ batches, I came to the conclusion that there are antibacterial properties to ginger that are detrimental to strong scoby growth. I've since taken to grating ginger and squeezing just the juice into the Kt...
Agitation of the jar will cause the scoby to sink and start anew, when checking out you brew handle gently, I wonder even about keeping stored on the fridge because of the potential jarring during opening and closings.
When using an acknowledged amount of finished starter kombucha, I believe...