The LumenLite Metal Halide Bulbs are magnificent grow lights made for use alongside a high-frequency digital ballast. Metal Halide bulbs are designed for use during the vegetative stage of plant growth.
Metal halide Bulbs are specifically designed to deliver a light which is far greater on the blue spectrum than normal hydroponic bulbs. Likewise, this combined with the high-intensity makes them a great bulb for stimulating for more vegetative growth from your plants. The light from MH bulbs helps to shorten growth periods and encourage plants to grow thicker and heavier.
LumenLites Bulbs fits the standard E40 screw socket and are for use alongside a ballast.