| im assuming you have measured the heights, widths, ect ect. Heating issues thought of since its inclosed?. You have many many options Q.
you can build a brace to contain the lights within the canopy. or if have the space, you can drill holding fixtures on the roof of the canopy to fasten the detachable light supports.
congrats on the new tank Q, what size are we talking, dimensions, not gal
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