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Complete Grow Tent Packages

Complete Grow Tent Packages

Start growing indoors today!

Complete Nutrient Packages

Sun System Reflectors on Sale

Deep discounts on many reflector models!

Hydrobuilder Warehouse Deals

Grow Tent Blowout Sale

Hydrobuilder grow tents on sale now!

Hydrobuilder Learning Center

Expert growing advice and tips!

Grow Light Ballasts

Popular Grow Light Ballast Brands
Top Selling Solis Tek Digital Ballasts
Phantom Digital Ballasts
Galaxy Digital Ballasts

A lighting ballast is an interface device that uses analog or solid-state circuitry to get the right amount of electricity to your bulbs. If you’re planning on using a high intensity grow light, you need a ballast. The key to getting the best light output and long lamp life is to have a ballast that meets the requirements of the lamp. A ballast regulates how much current goes to the lamp and gives a voltage jump to start the lamp in a fluorescent system. Without a ballast, the lamp would overheat and burn out. Many digital ballasts are dual voltage, which means they can run 120 volt or 240 volt and have a range of wattages from 250 watts all the way up to 1,500 watts. You can run either metal halide (MH) or high pressure sodium (HPS) bulbs without having to flip a switch. If you want to be assured that you are using an efficient, effective, and safe product or if privacy is a concern, get a high-quality ballast from Hydrobuilder.