I usually dry hop with 1-1.5 oz of hops in a 5 gallon corny. That's what most of the recipes i've seen call for, and I've never really pondered using more.
I was talking to some other homebrewers the other day, and one of them was talking about using 6 oz (!) to dry hop 5 gallons. I don't know if the rest of the guys were agreeing to look cool and edgy or if they were all serious about using that amount of hops.
I tend to hop up my beers pretty good from 15 minutes to go in the boil to flame out. I've met brewers who use MUCH more, but it's a law of diminishing returns thing. If someone uses twice as much, well, it might be a little more aggressive in the hop nose and flavor, but when you have to spend 15 bucks more a 5 gallon batch, it's not worth it to me.




