you could use a blow off tube instead of an airlock, i had a similar experience and haven t used an airlock during primary since, just secondary...just be sure to run the blowoff tube into a pitcher of water....cheers
75% pale ale malt,15% crystal60L,5% wheat,5%chocolate....very dark like the DFH Indian Brown Ale, i m calling it an american brown but did i cross the line into porter territory...either way it s delicious...any thoughts?