Can Hummingbird Food Go Bad. Cane sugar is highly recommended although beet sugar is okay. 1 cup of white cane sugar 3 or 4 cups of spring water.
Recipe for the Best Hummingbird Nectar. Tips Dissolve the sugar in the water. For example 1 cup water to 14 cup sugar or 4 cups water to 1 cup sugar.
Mar 05 2016 Why Nectar Goes Bad And How It Can Hurt Birds Mold and fungus can be fatal to hummingbirds as they ingest it.
Its true that no solid research yet exists to prove that red dye is harmful to hummingbirds. Hummingbird nectar can go bad more quickly if the feeder is hanging in the sun all day. Follow the guidelines for keeping the feeders clean even if the nectar goes untouched. Chances are they wont drink it anyway.