I bought some hops off eBay and the alpha acid listed was 10%, the reading I've done said cascade hops are in the 4-6% range. Could it be this high? I'm not sure if i should change my recipe I'll be doing in a few weeks.
I'm basically doing the northern brewer dead ringer with these cascade hops instead of centennial hops.
Update contacted the seller, said they tested it multiple times. Its the highest he's seen for his cascade crop.