Electronic ballast – HID ballast – HPS ballast
What is an electronic ballast and why do you need this to grow a plant? An electronic ballast controls the amount current to your lighting source. Without it, your light would draw so much current that the light would be destroyed or the power supply would fail.
Most indoor growers use an HPS ballast (high pressure sodium) which is a type of HID ballast (High Intensity Discharge). Another type of HID ballast, besides the HPS ballast, is the MH ballast or metal halide.
Whichever type of electronic ballast (HID Ballast) you decide on, the MH or HPS ballast, Everything Hydro has what you need.
(Not everyone uses the interchangable terms HID ballast, HPS ballast, or Electronic ballest. Other names might include light ballast, magnetic ballast, fluorescent ballast, lighting ballast, digital ballast, lamp ballast, Lumatek (a brand) or simply the term 'ballasts').