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Joined: Thu Dec 01, 2011 2:39 am Posts: 146
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Hi all i have two tanks one is 65 gallon full reef with 250 mh and 2 actinics however i have a 30 gallon ive had up and running but decided to change to a 250 mh with 48 watts of actinic i have them 13 inches above the tank but cant seem to keep any coral alive does anyone know how high this light should be above my tank thanks in advance
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