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a ballast is a type of transformer typically u don't need an ignitor for a 70w hps or MH so the ballast you mentioned should work only when you start using HID lamps over 150w do you need a transformer, ingnitor, and capacitor. Of course i have never encountered a digital HID ballast setup.

I use mg moisture control and it seems to do better if i water from the bottom, like an earthbox grow. My first grow hasn't turned out good so hopefully my second will be better.

Newbie here. Think I will lurk around and read some past posts before I start asking questions.