Good question; I'm doing the same thing, but today (at day 34), my specific
gravity is 1.022 with the refractometer.

"Weez" > wrote in message
. ..
> I'm in the process of making sake:
>
> I started by making my Kome-Koji with 400 gr. steamed rice and Koji-Kin,
> then I mixed that with 1.5 kg steamed rice and 4 liters water 1/2 tsp.
> citric acid and yeast
>
> and I've come up with a question...
>
> How do you measure the SG?
>
> I checked with my refractometer and it read "0"
> It's 3 days into fermenting and it now reads "10"
>
> How do I know in the end how much alcohol will be in this stuff?
>
> Louise)
>
>