Perky-Pet 8 oz Clear Instant Nectar provides the highest amount of energy to hummingbirds by using 100% sucrose. The 8 oz bag makes 48 fl oz of clear 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.