I use the priming sugar calculator at TastyBrew (http://www.tastybrew.com/calculators/priming.html) to determine how much to add. My question is what temperature do I use when entering fermentation temperature? I generally keep the primary in the mid low 60's for the first week or 2, then let it rise to high 60's by then end of the 3rd week, finally I'll cold crash it down to low sixties prior to racking. Do I use the temp at which most fermentation occurs, or do I use the temp beer is at when bottling?