4375 -- Homestead's Hummingbird Clear Nectar is ready to use, just pour in feeder. Calcium has been added to ensure successful egg hatching. Our sturdy plastic bottle eliminates a sticky mess to clean up due to breakage in the store or at home. The container is also resealable, only use what you need. Different species of flowers produce different sugars, Homestead's nectars have a blend of those sugars. Blended and bottled by Homestead.