Now you can offer nectar to hummingbirds without the fear of artificial dyes with More Birds® Bird Health+™ 8 oz Clear Powder Hummingbird Nectar Concentrate! Our nectar has no artificial dyes or flavors. Simply mix one part powder concentrate with three parts warm water, then stir until completely dissolved–no boiling required. One 8 oz package of concentrate makes 40 oz of nectar. Our powder concentrate is a mess-free way to feed hummingbirds. Vitamins and calcium are added to promote successful egg hatching. More Bird's nectars are made from a blend of natural sugars found in flowers that birds feed from.