How many of you folks add a yeast energizer or nutrient to your boil? I hadn't used any until recently. I picked some energizer up for a batch of saison to avoid stalling but started adding a 1/2 tsp to all my batches just because I happened to have it around. I haven't noticed any perceivable difference in taste but I have noticed a difference in fermentation. With the energizer, fermentation takes off very quickly, finishes earlier and I'm getting slightly lower FG readings. Anyone else have the same experience?