Thread: 150W or 250W MH?
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  #19  
Old 12-31-2005, 08:51 PM
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Invigor Invigor is offline
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14k and 20k bulbs offer far less (useable by sps) output compared to 10000k bulbs. the giesmann 13000k is supposed to have good output and a nice blue to it.
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