1. Dec 28, 2011 #1
   

   Guest Guest

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   I was wondering if two t5 HO 24" lights would be enough to grow sps in a 20 gallon long. Was thonking one ati 12000k and one ati pure actinic. And how far i should space the light from the water

    
2. Dec 29, 2011 #2
   

   e lowther Inactive User

   181

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   6 inches above the water line should be adequate for the growth of sps i would think.

    

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