High output Metal Halide Bulbs produce light by arching electricity through a mixture of gases. The light produced is in the white-blue spectrum, which encourages vegetative growth and “bushiness” while discouraging upward growth.
• Quality MH lighting at a budget price!
• High light levels from a compact source
• Saves money — up to 20,000 hour life!
• Lower energy costs — up to 115 lumens per watt!
• Warranty: 1-year
400 Watt – 36,000 initial lumens
1000 Watt – 110,000 initial lumens
These high intensity discharge (HID) lamps are to be used during the vegetative phase of plant growth.