Lighting trouble with deep tank

[Skull.kid.q]

Hey guys,
Trying to plan out this tank, but I'm having trouble working out the type of lighting I need due to it being 24" deep.

I'm aiming for the med-high lighting to get some nice plants growing.
Don't panic, I have co2 sorted.

The hood already has a 3' lighting fixture built in that powers 3x39w T5 bulbs. Not sure about the details of fixture itself, cause it's fitted tightly into the hood.

The tank is L47" x W18" x H24" the two front corners are curved so I'm guessing it can hold about 320L (85G)

Do I need a better lighting fixture?
Add extra lighting?
Or can I make it work with 3 quality T5 bulbs?

Any help or links to other posts that will help would be great.


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[Brookster123]

With quality bulbs you should be in the med light range with that fixture.

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