Lighting 6 x 2 foot tank

[imcosmokramer]

I would use two 3 foot fixtures.
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[Spiny]

if I were you, I'd go with multiple 3 feet

[blueyota]

I agree with posts above I have a 5 foot tank and a 4 foot light and I have alot of light loss at the ends ...and its making me angry

[sitandwatch]

Well I was sold on a 4 foot but now I am thinking of the two 3 footers, I thought the light would not fall off too much.

Good to know that blueyota is angry at his 4 foot over 5 foot I dont want to be angry.

I will have some sps but is wont be the dominant feature.

[imcosmokramer]

you have to think of the angles. If the light has to travel downwards on a diagonal, any rock/corals placed high, will shield the light from reaching the edges of your tank. You'll end up with many more shaded areas than you'd think. I had 1 MH reflector on this tank, and hated it. Once I switched to a 3 foot T5 fixture, I got much better coverage.
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[sitandwatch]

Ok I got a message that this could be a good light to go with

ATI 60" 6x80W Sun Power High-Output Fixture, more money up front but less bulb cost in the future then going with 2 3 footers

I would only loose 6 inches per side and due to the shallow depth I could raise it and not loose too much penatration.

imcosmokramer, good point about the shadows I will keep that in mind.

[kien]

Keep in mind that 60" T5 bulbs can be a challenge to locate, especially in a varied selection of colours. I rarely see them at LFS here.