Flipping the racking arm can be useful if you want to krausen a sluggish fermentation and mix up the fermenting beer (and not disturb the settled yeast in the cone) with more active yeast from another fermenting beer you have to help you achieve your target final Plato. That or you can just add...
Hey guys, nice thread you have going here. I like the suggestions for the closed warming/chilling system. Also, will that sparging attachment work? Looked like a great inexpensive idea to me. I am without a doubt going to pick up some racking arms, kind of surprised the BIAC doesn't come with...