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Old 11/11/2008, 10:23 AM   #22
Jerm77
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Join Date: Nov 2008
Location: NORCAL
Posts: 500
day 4

turned on the actinics last night.



I have the lights about 9 1/2" above the tank. I think I'll be lowering them. what does everyone think? is there a rule of thumb on wattage vs height? I have access to a light meter - not water proof though.




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