We can't get final gravity calculated 1020. We only get 1037. Original gravity was calculated 1095(for 9.6% ABV), but we only get 1072. For 27 liters in fermentor we use 44 grs Safale S04. First 4 days we have a lot airlock activity, temperature 26 C. In 4th day we add hops for dryhopping, and...