Estimating original gravity

[gregles]

Is there any way to estimate the original gravity of 4 litres of apple juice, tescos own, with 400g added soft brown sugar and a mug of tea

[JamesF]

I'm guessing it's unlikely if it's just apple juice, but do they give any indication of the sugar content on the packaging of the apple juice?

James

[JamesF]

Sorry, for clarity my thinking was that if they do then you may be able to get a rough figure for the total sugar content of your mixture and thereby estimate the OG.

I assume you either don't have a hydrometer, forgot to take a reading when you started fermentation or want to work out a rough OG before committing yourself to the recipe?

James

[gregles]

Hi James,

I have it fermenting at the moment and forgot to take a reading. I have just had a look at this http://mpesgens.home.xs4all.nl/thwp/sugar.html#calcalc
and got an estimate of 1075 og