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Its a digital ballast with built in heat fans. Its made by a company named Quantum i believe. Like i said it was running perfectly for almost two months, and then i just had two fail in one day.

So im about a month and a half into my first crop, and one night i come into my room and my light is flickering and my 600w HID ballast is running really hot (Cant hold my hand on it for more than a second or two). So I turned it off to let it cool down, and when i came to check the next morning...