Perky-Pet® Red Powder Hummingbird Nectar Concentrate 5.3 oz Bag provides the highest amount of energy to hummingbirds by using 100% sucrose. The 5.3 oz bag makes 32 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.