EZNectar Refill One-Shot - The Only Ready-to-Use Hummingbird Nectar Exactly Like Flower Nectar. Patented, No Preservatives or Dyes, Hummingbird Food - Nectar (2 Piece) 22 FL OZ Total EZNectar will donate 100% of its profits to healthy bird and pollinator preservation causes Now, finally available! The only ready-to-use hummingbird "just like flower" nectar. U.S. Patented because it is sugar & water only, and ready-to-use. No chemical preservatives or dyes. EZNectar uses only pure cane sugar and filtered water - 100% pure. Healthy alternative to homemade! Requires no mixing. It's ready-to-use! "One-of-a-kind". Simply pour into existing feeder.