Ballasts

The magic of H.I.D. lighting relies on the smooth delivery of electrical current from ballasts. Behind the curtain, ballasts are simply power transformers that feed lights a clean, high-voltage signal to initiate arcing and manage light performance. Learn More
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  1. Quantum 400w Digital Dimmable Ballast
    Quantum 400w Digital Dimmable Ballast
    Special Price $104.11 Regular Price $115.68
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  2. Quantum Digital Dimmable Ballast - 1000w
    Quantum Digital Dimmable Ballast - 1000w
    Special Price $208.23 Regular Price $231.37
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  3. Quantum 600w Digital Dimmable Ballast + Hortilux Super HPS 600W Bulb
    Quantum 600w Digital Dimmable Ballast + Hortilux Super HPS 600W Bulb
    Special Price $200.18 Regular Price $222.42
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  4. Quantum 1000w Digital Dimmable Ballast And Hortilux Super HPS 1000W Bulb
    Quantum 1000w Digital Dimmable Ballast And Hortilux Super HPS 1000W Bulb
    Special Price $255.06 Regular Price $283.40
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  5. Quantum Digital Dimmable Ballast - 600w
    Quantum Digital Dimmable Ballast - 600w
    Special Price $113.22 Regular Price $125.80
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  6. Phantom II Digital E-ballast 1000W 120/240V
    Phantom II Digital E-ballast 1000W 120/240V
    Special Price $220.55 Regular Price $245.06
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  7. Power Cord For Phantom, Phantom DE, and Xtrasun Ballasts, 8"
    Power Cord For Phantom, Phantom DE, and Xtrasun Ballasts, 8"
    Special Price $19.11 Regular Price $21.23
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  8. Ballast Kit HPS 600W Multi-Volt
    Ballast Kit HPS 600W Multi-Volt
    Special Price $181.10 Regular Price $201.22 As low as $181.09
    Out of stock
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  9. Ballast Kit HPS 430W Multi-Volt
    Ballast Kit HPS 430W Multi-Volt
    Special Price $114.61 Regular Price $127.34 As low as $114.60
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  10. Ballast Kit HPS 400W Multi-Volt
    Ballast Kit HPS 400W Multi-Volt
    Special Price $81.95 Regular Price $91.06 As low as $81.94
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  11. Ballast Kit HPS 250W Multi-Volt
    Ballast Kit HPS 250W Multi-Volt
    Special Price $80.54 Regular Price $89.49
    Out of stock
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  12. Ballast Kit HPS 1000W Multi-Volt
    Ballast Kit HPS 1000W Multi-Volt
    Special Price $166.14 Regular Price $184.60 As low as $165.26
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  13. Ballast Kit HPS 150W (Reactor-No Cap)
    Ballast Kit HPS 150W (Reactor-No Cap)
    Special Price $40.39 Regular Price $44.88 As low as $40.38
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Ballasts

Grow light ballasts power high intensity grow bulbs and lamps by regulating the voltage to a high intensity discharge (HID) light or compact fluorescent light. Some ballasts power specific bulb types while others are "switchable," capable of powering both HPS and MH bulbs. There are three types of ballasts: electronic, digital and magnetic. Ballasts typically are available in various wattages from 315w to 1000w.

Digital ballasts

Digital ballasts are the latest technology. They use microprocessors to monitor and regulate the voltage and are often dimmable.

Double Ended ballasts

Double-Ended ballasts are made specifically to power double-ended fixtures safely.

Magnetic ballasts

Magnetic ballasts, an older technology, use an electromagnetic system for controlling voltage. They typically are cheaper than the other ballast technologies.

T5 Fluorescent ballasts

Fluorescent ballasts are made specifically to power fluorescent lights, such as the longer T5 bulbs frequently used for propagation of many plants in a small space.

Parts, Accessories

On these pages you’ll also find related items such as capacitors, ignitors, power cords, 240V receptacles, and adapters.