Perky-Pet Red Powder Hummingbird Nectar Concentrate is made of 100% sucrose, so your hummingbirds get just the essential energy they need to thrive. Hummingbirds easily digest sucrose giving them energy. This concentrate is simple, just mix the powder with water to create your desired amount of nectar. The 8 oz bag makes up to 48 ounces of nectar. There is no need to boil it. This nectar features a bold red color that mimics the vibrantly colored flowers that hummingbirds imbibe from in nature.