Okay everyone so my initial SG was 1.060 and final SG was .900, which would result in a yield of about 9% when accounting for temperature differences. I have since moved it to a secondary fermentor and got about 3 3/4 gallons yield out of 4, I couldn't get the last part separated from the yeast...
So this is my first time brewing hard apple cider, and as a base I used just 4 normal gallons of apple cider from a local orchard. It had preservatives in it and was pasterurized so I made a yeast starter for it and went on my way. Well today is the 5th day of fermentation, 6th day since prep...