Hummin'bird Harmony "Turns Sugar Into Superfood" The only vitamin formula for your sugar/water recipe used to feed Hummingbirds. Much more cost friendly than pre-mixed solutions, and easy to use. No artificial preservatives or dyes;Vitamins are colorless and flavorless Each container has enough measures for 60 16oz feeder of sugar/water mix,a total of 960 ounces! Helps produce better egg production and stronger bones.Inhibits the growth of mold and bacteria in your feeder. Hummers love the taste!