| I would go with a drilled tank. You won't be sorry. Like everyone recommended, use 1" drains which require 1 3/4" holes. You could go 2 in each corner, or do 2 drain hiles in middle back of tank and returns in corners of the back. The setup is limitless, it all depends what you want. My 120 gal has 7 holes drilled in it. 2 for in the center for the overflow, 2 holes , one in each corner for returns, 2 for returns for closed loop and 1 for pick-up on closed loop.
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Dennis
120 gal/tank, custom overflow in center, closed-loop on a Squid, custom sump,Reef Concepts skimmer, CA reactor, Refugium gravity feed into tank, Lighting: 2 - 250 watt MH's, 4- 55 watt PC's, and 110 watt VHO.
12 gal NanoCube, with 2-32 watt PC's and a 13 watt PC, in a custom hood.
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