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Unread 01/13/2019, 05:07 PM   #8
Uncle99
Crab Free Zone
 
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Join Date: Sep 2017
Location: Ontario, Canada
Posts: 2,906
I keep a bit higher than maybe "normal" for three reasons...
1-lense does not get stained by the creep
2-less affect of the salty humidity above the water on the units.
3- these lights a bit focused, so higher placement wides the area lit, a a bit more diffused.

Once you find a setting....just let it sit for a bit....then if you need, ramp up a tad.....
You want enough light to feed corals but not algae, there's a balance you will find.


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