open up the ballast box and let it breath, the cooler it stays the longer they will last
BlueDragonSmoke Reviewed by BlueDragonSmoke on . Ballast heating up ?!?! i have a refurbished 400w hps with a 400w mh conversion bulb on and after an hour or so of being on the remote ballast is starting to get pretty warm on the sides..is that normal? ps i have a fan blowing on the plants and light ballast is on the top shelf of the closet any feedback would help thanks :rasta: Rating: 5