How to use a Hydrometer

A quick tutorial, demonstrating how to take a density reading with a hydrometer

[ThePhysicsTrain]

Very good video. That spin it statement was very informative.

[mycophil]

I was planning on sticking the hydrometer straight into the big container, measuring the whole batch at once, instead of using a smaller sample — would this be an issue? Thanks

[matildemir]

So the temperature is very important to check the alcohol content.
I’m doing it with cold kombucha and is not working

[swazy]

Did not really, show how you got 1.030 reading