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The Sun Gro Grow Light System includes a bulb, ballast, reflector and socket assembly. The Sun Gro grow lights are our favorite. The reflectors give a nice even light pattern. The inner surface it a polished and dimpled aluminum. The dimple finish diffuses the light for a more even coverage. The reflector weighs 10 pounds. Two "V" hooks included for hanging. The reflectors measure 21" x 21" and have an adjustable socket mount so you can position the bulb right in the center of the reflector. You can also move the bulb up and down to adjust the light spread. They come complete with the standard bulb, Sun Gro Reflector and ballast. Check out the bulb upgrades they are worth the extra few bucks. Many growers use halide light for the beginning stages of plant growth then use a sodium light for flowering. A 1000 watt light will light up 7 x 7 feet of growing area and a 400 watt will cover about 4 x 4 feet.
The Sun System 10 Ballasts are the low cost option for the grower on a budget. They operate the same as other ballast with the same efficiency. They have rubber feet to reduce vibration noise.
The Sun System Switchable Ballasts can run halide or sodium bulbs just by flipping a switch. The 1000 watt systems use a standard 1000 sodium ballast and the switch disconnects the ignitor. For the 400 watt systems, a special ballast is required because the voltage difference between the halide and sodium is too large. The open circuit voltage for the standard halide 1000 is 430 volts and 435 volts for a sodium 1000. A standard halide 400 has an open circuit voltage of 300 volts but the sodium 400 is only 190 volts. So the 400 watt switchable systems switch the ignitor and change the lamp tap on the transformer too.
Item Number: 390283
Warranty: 12 Months Bulb 60 Months System With Receipt
Guarantee: 30 Day Money Back With Receipt
Manufacturer: Sunlight Supply