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Hello,

I recently upgraded from a 29 gallon to a 60 gallon aquarium. I had a 30" RAY2 FINNEX 7000k light on my old tank that I placed in the center of my new tank. I also bought the 48" RAY2 FINNEX 7000k LED model. I'm wondering if I need to replace the 30" with another 48" (so I'll have two 48" models) for a med - high light tank. Do you think my current setup provides enough light? The tank has been set up for about a month now. The plants are unfortunately covered with brown algae(diatoms?), which I think is normal for a new tank.

My Tank:

60 Gallon 48W x 13D x 24H
Flourite 2.5" brown substrate
160 GPH Marineland canister filter with spraybar(Low Surface Agitation)
5lb CO2 system with about 3 bps dissolve rate
1 - 48" 7000k RAY2 FINNEX LED (8 hrs per day)
1 - 30" 7000k RAY2 FINNEX LED (From previous tank, 10 hrs per day)
Topless(No lid)
Lots of driftwood
About 15 assorted African Cichlids
Fertilize with Flourish Comprehensive, trace, and potassium
 

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From the PAR charts you have 40-50PAR at the substrate level w/ one light..
And about double that in the overlap section..

No don't really "need" another light except 1)to have high high light.. ;)
or 2) Improve the color rendering, in which case a 48" Stingray or some such light would be a better option: Cheaper and adds the gaps in the spectrum from the RayII, part. red.

Sell the 30" or re-purpose..
(OPINION of course)
 

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I agree with jeffkrol on the stingray. It will also help with appearance of the cichlids since the Ray 2 just appears very white
 
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