Lots of heat there....I assume you are only lighting the tops of the plants and not using it as enhanced side lighting. You may want to think about 2 600 and save the extra heat. Make sure you use air-cooled hoods or cool tubes and install Mylar on all walls, the door and ceiling. Monitor the temperature under the lights at the top of your plants and don't let it get to hot on them or you could have major problems.
Zandor Reviewed by Zandor on . Beginners question about lighting alright I am planning on growing about ten plants in my closet. I plan on getting a 600watt metal haliade and a 1000watt HPS. Is that enough light for a small closet of ten plants? Rating: 5