Bayou Liquid Seafood Boil  Greatest Liquid Seafood Boil. Use 4 oz of Bayou Liquid Seafood Boil for every 5 lbs of seafood that you are going to boil. If you want it hotter just add more. We always add it at the end when we are soaking the seafood. Can be added for an extra kick when cooking also. It adds the heat baby! This will definitely help you step up your game!