Electro Nectar Clear Hummingbird Food Liquid 16 oz. Concentrated is a high-quality concentrate that is simple to prepare. Just combine one part of Electro Nectar Hummingbird Food Liquid Concentrated Nectar with three parts water, then shake or stir before filling your feeder with the mixture. This product does not contain any red dye. The concentrate can produce up to 64 ounces of nectar and is suitable for all stages of a hummingbird's life.