What makes Earth Worth ballasts so special? Quality and Performance! Earth Worth only supplies the highest quality hydroponic digital ballasts and systems.  We have searched the world over and partnered with a factory which utilizes the most advanced lighting components which results in a high performance, long lasting, and versatile ballast that will yield superior crops and be around for years to come.  Our ballasts were specifically designed to grow healthy, high producing plants across each phase of their growth cycle.   These ballasts are found in hydroponic research facilities around the country and are used professionally in agricultural research, biotechnology, and pharmacology.  If fast lamp ignition, constant lamp voltage, flicker free output, premium cooling fans, and a... Less

New Power Slider feature - switch from 120 volt to 240 volt with easeThe Sun System 10 Ballast is Sunlight Supplys economy-priced ballast. Features include a die-cast aluminum housing with white powder coated finish, louvers for cooling and rubber feet. Sun System 10 ballasts all feature quick-disconnect adapters and multi-tap transformers, which means that you can switch them from 120V to 240V in just seconds. Although the Sun System 10 is made in China, its proven track record over the years and 5 year warranty show that it is a solid, reliable ballast. The 15 heavy duty detachable lamp cord sold separately makes installation a snap; no hard-wiring necessary. Now features our Alumapro™ aluminum core ballast for optimum performance NEW - Exclusive Power Slider™ - switch from 120 volt to... Less

1000W, S52, High Pressure Sodium Ballast Kit, 4-Tap, 120/208/240/277 Volt

New Power Slider feature - switch from 120 volt to 240 volt with easeThe Sun System 10 Ballast is Sunlight Supplys economy-priced ballast. Features include a die-cast aluminum housing with white powder coated finish, louvers for cooling and rubber feet. Sun System 10 ballasts all feature quick-disconnect adapters and multi-tap transformers, which means that you can switch them from 120V to 240V in just seconds. Although the Sun System 10 is made in China, its proven track record over the years and 5 year warranty show that it is a solid, reliable ballast. The 15 heavy duty detachable lamp cord sold separately makes installation a snap; no hard-wiring necessary. Now features our Alumapro™ aluminum core ballast for optimum performance NEW - Exclusive Power Slider™ - switch from 120 volt to... Less

Keystone 1 Lamp 400 watt 120/480 volt 5 Tap Magnetic High Pressure Sodium Keystone Ballast Kit (HPS-400A-P-KIT 00170)

The prices are amazing! A digital ballast, enhacend spectrum bulb and an reflector all for under $120! This package includes a HID Hut 150W HPS Digital Ballast, a HID Hut 150W HPS Enhanced Spectrum Bulb, and a HID Hut Economy Reflector. Please see each individual products listing for full specifications. True plug and grow! Everything is included, simple 2 plug installation! The ballast plugs directly into reflector. An unbeatable value brought to you only by HID Hut.