MH Lighting 250W vs 400W

Discussion in 'Lighting' started by vatso, 23 Aug 2010.

  1. vatso

    vatso

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    Hi all

    there was a post saying the 400W do not give much more par then a 250W

    Have a look below on some bulbs & the readings

    http://www.specialty-lights.com/bulb-upgrade2.html



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  3. SIMS

    SIMS

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    very interesting... I was the one who started the par diffs is not that great. I will find the link that gave PAR readings between the 2.
     
  4. seank

    seank

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    Interesting. Thank you for the link
     
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