Marineland single bright or double bright?

[xraycer]

I have a 2 year old beamwork double bright on my 75 and it looks great. The beam penetrates to the bottom easily, given the tank a natural brightness without being overly harsh. With the depth of a 75, a single bright will not have enough light to really penetrate the water column and will make everything look gloomy........unless that's what you're going for.

 

[Steveo McNello]

The only thing i didnt like with my beamsworks on a tank thats 24" front to back was the light dispersion. It was either well lit in the front or back. Couldnt get rid of the dark spots that washed out the fish. Next time im going led floods.


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[hoosiercichlids27]

Yes those are 48 inch double hi lumen beamswork

 

[ShadowStryder]

I bought 4x 36" HO double bright 2900 lumens from beamswork and cant complain. I know there is higher end LEDs but for the money I wont complain. Love the moonlights also.
As for as dispersion two 36" cover front to back on me 7'x3'x26" nicely. Actually put out floating plants to cast some shadows.