I made a 1.131 Russian Imperial stout on July 22. I made a yeast starter with 2 cups water, 1/2 cup DME, and a packet of Safale 05 the day before. It was at high krausen when I pitched it. I took a sample on July 7 and it had a S.F. = 1.050. I know just watching the airlock is not a good...