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Old 10/27/2021, 07:49 AM   #5
Plumbing Engineer
Join Date: Feb 2004
Location: Atlanta GA
Posts: 3,260
I put a single 400 on a 36"x24" tank by cutting a luminarc in half and extending it using mirrored AL sheet. Made the reflector about 30x20 if i remember right. Worked great and I had no shadows.

I made my own reflectors for my old 300g (36x72) and used 3 of them the size above.

For simplicity sake, Id just grab any of the decent brand reflectors and add some LED supplements.

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