Aged hops have that kind of cheesy flavor and aroma that comes from oxidation.You need that combination of oxidation and age to get that characteristic flavor and aroma. You are not going to get it from hops that have already been used. Those hops are just spent.. Granted, I haven't visited the thread you spoke of, but come on, are hops really THAT expensive that you have to re-use them? It just seems wrong to me.
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