600W HPS bulb's voltage: 95-125V. Bulb's voltage is different from power supply voltage. The trigger voltage of our ballast is 7000V, and output frequency is 100K. If your ballast cannot reach the standard, then our bulb cannot be lighted up.
Please be aware that grow light bulb is a consumable product. Regardless of HPS, MH, LED, Fluorescent or the conventional incandescent light bulb, the fact that the total lumen (brightness) will decrease in time.
For an optimized growing condition, it is strongly recommended to change your grow light bulb after 12 months of continuous use. VIVOSUN Horticulture provides you with the highest-quality hydroponics equipment and services at our factory-direct prices-our strict quality assurance continue to build stellar reputation as industry leaders committed to providing customers with a full line of hydroponics solutions they can depend on.It is our commitment to be the hydroponic company that you'll want to do business with again and again. After you win an item from our store, you will have 14 days to combine all of the other items. We are not responsible for undeliverable address.
Work Hours: Monday to Friday. The item "VIVOSUN 2 Packs 600w Watt HPS Grow Light Bulb High Pressure Sodium Bloom Lamp" is in sale since Friday, August 18, 2017. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Hydroponics & Seed Starting\Grow Light Bulbs". The seller is "3qmart-6" and is located in NJ. This item can be shipped to United States.