Perky-Pet 8 oz Original Instant Nectar is made of 100% sucrose, which provides the highest amount of energy to hummingbirds. The Perky-Pet Original Instant Nectar 8 oz bag makes 48 fl oz of hummingbird nectar. This hummingbird nectar concentrate is so easy to use! Simply stir in water and there's 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.