Royal Wing Hummingbird Nectar Concentrate helps keep your feeder stocked and ready to go. It's an all-natural, dye-free, wildflower-infused hummingbird nectar concentrate that makes 3x the amount of our ready-to-use nectar. The formula is fortified with calcium to promote healthy egg development and electrolytes to aid in the prevention of dehydration. No unnecessary food coloring or harmful preservatives. Complete with an easy-pour spout to make preparing the hummingbird nectar quick and simple each time.