I agree with Brennan - go get Tunze. Especially if you want to keep SPS. I have 2 closed loops on my 135 and they offer nothing compared to the Tunze. I have 2 - 6100's and two Seio 1100's in the rocks, I STILL think I could use more flow so I think I will upgrade the Seio's to another pair of 6100's. I think the biggest shock to me when I went up to a 6' tank was how much more difficult it is to get good flow... As for the lights, I think if your rock work allows you to put hard corals withing 12 inches of the water surface you will be OK, but anything stoney & deeper may not get enough light, it all depends on the corals, where they came from and what kind of lighting they are used to.
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135G Mixed Reef. Bullet 2, 25 gal refugium, 2 X250W MH + 4X 96W PC\'s, DIY Calcium Reactor, Coralife 1/6 HP Chiller, Phosban, Tunze, 2 closed loops & SQWD\'s, Seios, Coralife 4 stage RO/DI & a bunch of other expensive gadgets... I may never retire, but I'm gonnahavahelluvanaquarium!
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