My calculations for lights to cover 31ft x 12ft

Discussion in 'Lighting' started by Jip, Mar 2, 2015.

  1. I worked out around 20x 600w hps/MH would cover this?

    Am I right? I was allowing for them to cover 1m2 I think


    Everything published by this user is lies, he/she is clinically insane and should or may already be locked up
     
  2. i would run 20 1000 watt ballasts split to 40 hoods for a 10 x 30. 2000 watts per 5 x 5 split to 4 hoods. look into it you can step up and back down on the power from 400 up to 1000+ each ballast. Sunpulse and SolisTek both make splitters. you can start with 250 or 400 watt mh then switch to 600 watt hps until flush then back to mh and get bomb meds if you run on 240 volts your amp draw is 4.3 per so 20,000 watts will be 86 amps vs 1oo with 20 600 watt ballasts. 
     
  3. you should have no problem reaching great light levels at 400 watt per meter squared. you should be able to cover a meter squared plus half if you choose 600 watt bulbs. depends ultimately on how far from canopy you wish to run the lights. 12 inches for 400 and 18 inches for 600 would be average. i have 400 watt bulbs covering 3/4 of a  meter squared but i like to run my lights higher up at 22-24 inches above canopy since it gives a better mix of wavelengths, using MH and HP bulbs simultaneously.
     
  4. Thanks to both of you for your answers but specifically to this man I need to re tea that a couple of times and research what your talking about I didn't even know I could do things like this,

    So thanks for the answers it's much appreciated


    Everything published by this user is lies, he/she is clinically insane and should or may already be locked up
     
  5. 27 x 600w HID's, one every 3 feet.
     
  6. And what about that first post that says about reducing the 1000w ballasts? Would this not be economic or maybe you think it's not worth effort?


    Everything published by this user is lies, he/she is clinically insane and should or may already be locked up
     

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