Perky-Pet 2 lb Red Instant Nectar provides the highest amount of energy to hummingbirds by using 100% sucrose. The 2 lb bag makes a total of 192 fl oz of hummingbird nectar, so there's sure to be enough to keep your hummingbirds coming back for more! This hummingbird nectar concentrate is so easy to use, simply stir in water, no boiling required. Mixing Instructions: Mix 4 Teaspoons of nectar concentrate for every 3 fl oz of water until you reach the desired amount of nectar solution.