The temperature at the top of the canopy will tell you how close you can place your light. Keep the temperature under 82f and you will not have any problems.
Zandor Reviewed by Zandor on . my new 1000 watt setup and pics.... any suggestions? okay now here arre some pics of my new setup... i have a 1000 watt hps bulb in there now im running it at 18 hours of light 6 hours of dark.... i have a few questions.. http://i22.photobucket.com/albums/b343/loud420/greenery.jpg 1. how far should i keep the light above the plants... check pic ------------ 2. when should i put in the MH bulb and switch lighting cycle??? Rating: 5