Originally Posted by phillygreen
I have it in a fridge with a temp controller set to 69 degrees.
That's still totally meaningless without knowing the FG, but it's surprising that it'd be bubbling without a temperature change, or a change in barometric pressure.
One time, we had a storm coming in and all of my airlocks (wines that were aging for 1+ year!) starting bubbling like crazy. It was weird!