Ballasts

Hippy guy Hippy guy

An HID (High Intensity Discharge) ballast is a remote piece of equipment that connects between the electrical outlet and the grow light reflector.

- View all Electronic Ballasts
- View all Magnetic Ballasts

Need help on deciding what kind of ballast to use?
Check out our Magnetic vs Electronic Ballast blog post.

Its job is to start and control the flow of power to high intensity discharge lamps connected to the reflector.

In metal halide systems, it is composed of the transformer, capacitor and connecting wiring.

High sodium sodium systems require an ignitor in addition to the transformer and capacitor.

Biggest selection in the industry - Best prices around!

Sort by manufacturer: CAP, Gavita, Hortilux, Hydrofarm, Lightspeed, Lumatek, Quantum, Sunleaves, Sunlight Supply

Crop Master HPS 600 Watt Ballast

When you want reliable quality, a magnetic Sun System Crop Master 600W HPS ballast is a good choice for years of trouble-free use.
$149.95

Galaxy Grow Amp

What sets the Galaxy Grow Amp ballast apart from the others It features the lowest RFI broadband emissions in the industry (to prevent radio and TV signal interruption).
$199.95 - $249.95

Hardcore Switchable 1000 Watt Ballast

The Sun System Hardcore switchable 1000-watt 120/240-volt ballast is compact in size and runs cool.
$99.95

Hortilux Gold Ballasts

HORTILUX Gold Series Ballasts provides consistent power so your grow lamps and provide high intensity, quality spectrum light to your plants for optimal growing.
$199.95 - $299.95

Hydrofarm Powerhouse Ballasts

When you say "grow lights" you mean Hydrofarm, and Hydrofarm grow lights mean business. Hydrofarm has been perfecting HID ballast design since 1977. The Hydrofarm Powerhouse ballast has evolved into one of the most durable brands on the market today.
$209.95 - $259.95

Hydrofarm Xtrasun Ballast - 1000W convertible

Hydrofarm's Xtrasun ballasts give you reliable service at an affordable price.
$148.95

Hydrofarm Xtrasun Ballast - 400W convertible

Hydrofarm's Xtrasun ballasts give you reliable service at an affordable price.
$129.95

Hydrofarm Xtrasun Ballast - 600W HPS

Hydrofarm's Xtrasun ballasts give you reliable service at an affordable price.
$139.95

Lightspeed Digital Ballast 1000W 120/240V

The Lightspeed Digital 1000w Ballast offers you the ability to dim bulbs down to 600W while also being able to switch between 120 and 240 volts.
$224.95

Phantom Digital Ballast - 400W 120/240V

Hydrofarm Phantom Digital Ballasts feature cool silent operation, lightweight design, and the maximum lumen output available.
$149.95

Phantom Digital Ballast - 600W dimmable 120/240V

Hydrofarm Phantom Digital Ballasts feature cool silent operation, lightweight design, and the maximum lumen output available.
$189.95

Phantom II E-Ballast - 1000W dimmable 120/240V

Hydrofarm's Phantom II Digital 1000W Ballast is the only product of its kind on the market right now. Its 32 bit processor allows you to monitor bulb life, efficiently run your setup, and has safety features in place in case of power outages.
$269.95

Quantum Ballast - 1000 watt

The Quantum Series digital ballast lets you adjust power settings with the twist of a knob! You can run it on 120V or 240V simply by changing power cords, both of which are included. As with all digital ballasts you can burn both HPS and MH bulbs.
$214.95

Quantum Ballast - 400 watt

The Quantum Series digital ballast lets you adjust power settings with the twist of a knob! You can run it on 120V or 240V simply by changing power cords, both of which are included. As with all digital ballasts you can burn both HPS and MH bulbs.
$134.95

Quantum Ballast - 600 watt

The Quantum Series digital ballast lets you adjust power settings with the twist of a knob! You can run it on 120V or 240V simply by changing power cords, both of which are included. As with all digital ballasts you can burn both HPS and MH bulbs.
$149.95

Sun System Harvest Pro Ballasts

The Sun System Harvest Pro Ballast is the perfect solution for your garden now or anything you may have in the future. You can use both 120 and 240 volts with the same ballast.
$157.95

Sunleaves Simple Two-way Ballast - 1000W

If you are looking for an economical ballast, the 1000W Sunleaves Simple Two-way Ballast is a good choice.
$99.95

Sunleaves Two-way Ballast - 1000W

The Sunleaves 1000W Two-way ballast features a common power outlet with 120/240-volt dual-voltage capabilities.
$139.95

Sunleaves Two-way Ballast - 400W

The Sunleaves 400W Two-way ballast powers either high pressure sodium (HPS) or metal halide (MH) lamps.
$124.95

Sunleaves Two-way Ballast - 600W

The Sunleaves 600W HPS ballast features a common outlet with 120/240-volt dual-voltage capabilities.
$129.95
View Order Check out