Light Upgrade Questions

Discussion in 'First Time Marijuana Growers' started by wireless, Aug 14, 2007.

  1. Currently I have one 1000 watt hps. It doing 16 plants and its my first grow, but I will soon be cloning my clones and trying to cover a space that is 10feet by 3 feet. Also I don't really want to exceed 1200 watts, so my questions is. Would it better to get two 600 watt lights or three 400 watt lights to cover all that area. Would the two 600 be sufficient?
  2. Two 600's would be best IMHO. 600 watt lamps are lumen for lumen the best lights on the market. Check this out for light calculations
    Plugging in your numbers gives 1500 watts needed to adequately light your space but if 1200 is all you want to grow just cut down on the number of plants.

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