Quote Originally Posted by howie66
Hey brooke, I use a 600watt HPS. And currently its about 2 feet above the plants. The fan runs at 45 mins ON 15 minutes OFF. Do you think I should have it running contstantly? Its spring here in Oz atm, so nice warm weather during the days, but gets very cold at night, and if I run the fan all night it gets down to like 62-65F. To cold thats why I leave the fan off for a while so the temperature gets a bit warmer.
62-65 degrees is just fine, your plants will love it. only reason my temps aren't at 65 is because they leveled at 73 and stayed there, so that was good enough for me.

love, brooke