For those who have done this recipe, how long did your guys bubble in the fermentation lock? Mine started bubbling like crazy 4-5 hours after putting it in the primary and all of the 2nd day. Today is the 3rd day and it's very, very slow. According to the sticker temp gauge that came with my kit, it appears to have dropped from 77 to 72 degrees as well (I know they are not very accurate). Should I try to let it warm up a little or does this sound about normal?