Hi!
I bought new bulbs today and kinda new to growing so I'm not sure if these will work. I have 2 separate ballast to run my 400w MH and 600 HPS. Both ballast are by SunMax. I bought a 400w MH bulb by Light Speed (it says to pair it with a m59 ballast) and a 600w Super HpS by Eye Hortilux (it...
