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- When making homemade hummingbird nectar solution, use only ordinary white cane sugar to sweeten the solution and no other type of sugar substitute.
- To make your own nectar solution, use a ratio of 1 part white cane sugar to 4 parts water.
- This mixture approximates the average sucrose content (about 21%) of the flowers favored by North American hummingbirds, without being so sweet it attracts too many insects.
- The nectar solution can be stored in the refrigerator for up to two weeks.
- It’s not absolutely necessary to boil the water, but this will help the sugar dissolve completely. The microorganisms that cause fermentation don’t come from the water; they are transported to the feeder on hummingbird bills.