Thread: enough light for a clam????
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  #12  
Old 01/11/2008, 12:47 PM
rwbogard rwbogard is offline
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Join Date: Sep 2006
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In my experiences, ou need at least 150W (preferably 10K or 14K) for adequate growth, however I would recommend 250W or higher for the best coloration and mantle expansion. Ionic balance (Ca/Alk) is just as important.