Metal Halide Bulbs - Free Shipping

Metal Halide Bulbs are high-intensity discharge lamps that produce light by arching electricity through a mixture of metal halides. The light produced by MH Bulbs is in the white-blue spectrum, which encourages vegetative growth and "bushiness" while discouraging upward growth. This is the lamp to use in the vegetative phase of plant growth. One year warranty.

250 Watt - 21,000 initial lumens
400 Watt - 36,000 initial lumens
1000 Watt - 110,000 initial lumens

Free ground shipping in the contiguous 48 United States.