I used 2oz each of Columbus,Nugget,& Whole leaf Cascade in my 6G IPA with 6.75lbs of malt. Going to add another pound of malt. The grapefruit flavor was good,but the orange & lemon got buried. Going to switch the 2oz of Nugget with 2oz of Citra. That might bring the orange & lemon back up.? Maybe an ounce of Sorachie Ace for more lemon up front? Just my 2c.