Perky-Pet 2 lb. Concentrate Instant Clear Hummingbird Powder Nectar offers a dye-free solution for feeding hummingbirds. Made with 100% sucrose, the preferred sugar for hummingbird digestive systems after flower nectar, this powder creates colorless nectar. Simply mix 4 teaspoons of powder with 3 fl. oz. of water to make up to 192 fl. oz. of clear, liquid nectar. No boiling is required, making it convenient and easy to prepare.