400w MH build

Discussion in 'Grow Room Design/Setup' started by Earljones, Aug 22, 2009.

  1. so i got a mh ballast that is exposed..so my plan is to mount it inside this ammo box and put 120mm fans on either side of the box..opposite corner for good air flow...im wondering if i need to line the box with rubber or something so i dont shock the hell outta myself...anyone know if its ok to go without or should have it insulated? heres a pic of my progress so far...

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  2. I keep my ballast sitting on a metal sheet inside a rubbermaid tub. Those things are crammed in tiny boxes with just holes for passive circulation a lot of times. So i'm sure your plan would be more than satisfactory.
     

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