Some people don’t have enough time to specially make separate nectar for hummingbirds. They always think about pre-made nectar to feed the birds. Yes the pre-made nectar is available in markets; you can use this nectar if you don’t have enough time.
The nectar available in stores has a same sugar and water ratio, so you can use this pre-made nectar. But always try to make perfect fresh nectar at home. Because whenever you made nectar at home you are really sure about everything. Although it’s don’t need much time to make it at home But If you still don’t have a time at home to separately make a special nectar for birds, You can buy a pre made nectar to serve the birds.