What You Get: VIVOSUN 600 Watt Digital Ballast, 8ft 120 Volt Power Cord, 4 Rubber Feet and Our Friendly Customer Service. Ballast should be the same watts as the bulb at first use, or it may blow your bulb.The extra setting is to adjust the brightness of the bulb (lumen). Different lumens have different effects on the plants.
Don't operate the ballast before you read and fully comprehend the instructions. The ballast can't ignite lamps when it is hot. When reigniting the lamp after shutting down, please wait 3-5 mins to give time for the lamp to cool down. 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 Days: Monday to Friday. The item "VIVOSUN 600w Watt Dimmable Digital Ballast Electronic for Grow Light HPS MH Bulb" is in sale since Wednesday, August 14, 2019. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics & Seed Starting\Grow Light Ballasts". The seller is "vivosun_official" and is located in IN. This item can be shipped to United States.