Airlock Activity

[BrewddhistDrunk]

OK so i know everyone says dont pay attention to the airlock bubbling but i have a question.. my belgian IPA has been in the primary fermenter for a week and a half, it fermented vigorously for about 3 days and then stopped. i took a FG reading a couple days later and it was right on target so i have been letting it sit for another week b4 i move it to the carboy (to dry hop). for the last 3 days the airlock has begun to bubble again, about once or twice a minute, after it had been completely stopped for around 4 or 5 days. is this normal? its my first brew by the way so any info helps thanks!

 

[Bensiff]

Yup, don't worry about it. It can be many things, another point or two fermenting out, standard CO2 off-gassing as the dissolved CO2 moves towards equilibrium which can be impacted by things as small as atmospheric pressure changes, or ambient temperature changes.