The Hortilux Blue 1000 Watt Daylight Metal Halide Grow Lamp is designed for vegetative growth in hydroponic systems. With a high intensity of 1000 watts and a focused blue spectrum, this lamp provides the ideal light for promoting healthy and robust plant growth. The metal construction ensures durability and longevity, while the E39 socket size makes it compatible with a wide range of systems. Whether you are a seasoned gardener or a beginner in the world of hydroponics, this grow lamp from Hortilux will help you achieve impressive results in your garden or greenhouse.