What do you think of the Sun System HPS 150 Watt Grow Light Kit?
High Intensity Discharge (HID) Lighting Systems HID lights are large bulbs that are filled with gas, which is ignited when electricity is run through the bulb. This creates a bright light and also puts out a lot of heat. HID bulbs come in two types for hydroponic gardening, and are categorized by the type of gas used in the bulb. Metal Halide bulbs has a more blue light spectrum are usually used for vegetative growth, while High Pressure Sodium bulbs have a more red light spectrum are used for flowering or fruiting. HID bulbs wear out quickly and must be replaced yearly for full growth potential in your garden. HID systems also include a ballast to power the bulb as well as a reflector or hood to maximize your light coverage. Light Spectrum The visible white light is composed of different wavelengths which can be measured. Not every wavelength is suitable for plants. Plants capture and utilize light band with a spectrum ranging between 400 and 700 nanometers. This band is know...