calculation help

Discussion in 'Cannabis and Marijuana' started by last_soul, Apr 24, 2011.

  1. last_soul

    last_soul Guest

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    hi guys its my first time growing i am currently running a 400watt hps im pretty usless with maths and would some one be able to help me figure out the running costs ive looked at tha how to calculate but its all gobbledegoop to me.
    heres some figures 6.750 pence per kilowatt hour not sure what else i need to be doing numbers and me dont mix lol
    thanks in advance
     
  2. last_soul

    last_soul Guest

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    any one at all i dont want to go set this up and get busted for my bill please help?
     
  3. seizedbyanger

    seizedbyanger Banned

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    Call your local police station and ask if any of them had a hankerin' for math in high school.
     
  4. last_soul

    last_soul Guest

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    no dont think thats wise lol
     
  5. dark suger

    dark suger Dripping With Sin!

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    google it?
     
  6. deleted

    deleted Visitor

  7. dark suger

    dark suger Dripping With Sin!

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    whats that mean orison
     
  8. last_soul

    last_soul Guest

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    The Cost to Run a Lighting System
    To get the operating cost per hour for a light, take the lights combined wattage, and divide it by 1000 to get the kilowatts used. Then multiply that number by the amount your electric company charges per kilowatt hour. HID lights will use the number of watts it emits per hour, ie; 600w system will use 600 watts per hour (regardless of spectrum).
    so if im running a 400watt @ 6.750 per khour it will be 4.05045 is that per hour or for the total i have no idea what a kilowatt hour is is it just a hour or more?its all gobbledgoop lol
     
  9. dark suger

    dark suger Dripping With Sin!

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    i think thats two hours
     
  10. last_soul

    last_soul Guest

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    thanks orison iots a lot better than i came up with lol it was £200 od lol
     
  11. deleted

    deleted Visitor

    I just gave you the answer on average.. but its really close.
     
  12. last_soul

    last_soul Guest

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    well least it wont cost me what i thought >>>>>>runs to finnish of the room ;)
     
  13. Startreken

    Startreken Marijuana Chef!

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    Dude, a 400 watt HPS with only look like a computer running full time. I would not worry about it.
     

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