I reused a yeast from a previous batch on the 21st, made a starter and let it sit 48 hours before pitching. Well the yeast is still throwing a bubble every 10-15 seconds? Is this ok? Or did I screw up? This was the most active yeast I have used to date, it was active and vigorous with in 8 -12 hours of pitching. Its been 8 days of activity. It is a amber ale and the yeast strain is from Wyeast american ale........