So this recipe uses two different batches of EKG hops, one at 4.5%, the second at 5.0%. Using your formula, if I had all 4.5% EKG, I'd use 1.5 oz. at 60 minuets, and .56 oz at 20 min. to get the correct HBU's?
You say you'd add the ME after the boil. The three kits I've brewed had me add it...