Some of you may be familiar with a hop back.  Essentially, it is a container that holds hops while post-boil but still-hot wort runs through the chamber on its way to the chiller and then fermenter.  Probably the most famous user of a hop back is Troegs Brewing Company (who even have an amber beer named, "HopBack").  They use a hop back for several of their beers. Blichmann Hop Rocket It is something that I have been curious about using.   Blichmann Engineering produces a hop back called the Hop Rocket .  I have been thinking about purchasing one for a couple of reasons.  First, I like the idea of a hob back. I like the flavor and aroma it gives - at least in the beers I know have used it. It would be similar, I think, to adding a few ounces at 0 minutes.  Second, a hop back also acts as a filter for some of the hop bits from pellets and the like.  A loaded hop back can filter out some of the hop sludge so that a plate chiller won't get cl...