VIVOSUN 400w MH bulb is compatible with both Electronic and Magnetic ballasts. Spectrum and High PAR (Photosynthetic Active Radiation). Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5,000 hours. Startup Time: Allow 2-3 mins for full bright. After power off, please do wait at least 5 mins before striking again.What You Get: VIVOSUN 400w MH HID vegetative bulb and our friendly customer service. Expected Life Span (hr): 10,000. MH bulb's burn position is. And it's unprotected like all of other major brands in this industry.
Logically it should be used with enclosed fixture, but a lot of growers use it with open fixture. 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 400w Watt Vegetative MH Grow Light Bulb Metal Halide Ballast Lamp 4200K" is in sale since Tuesday, March 15, 2016.
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 IN. This item can be shipped to United States.