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Bigreefer

Aquarium Advice Apprentice
Joined
Feb 15, 2012
Messages
43
Just got two Apollo 4 led fixtures to hang over my 55. My ? Is how high do I need to hang them. Currently running pc. Lighting
 
If you have any corals in your tank I would start with them maybe 10" above the water so you don't light shock the corals. Eventually you can get them down to around 6" above the water. If you don't have any corals you can put them at 6" now.
 
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