I have a 92 corner. I love the tank, but would not rebuy it.
Issues:
Limited space under tank. It is very tight and lots of wasted space)
Distorted viewing. Some area are hard to view due to the distortion. Can be hard to photograph too.
Hard to light. Is I was going to grow SPS, I would probably need 3 lights for a tank that would only take 2 in a rectanglular tank.
Hard to reach into tank. Due to being a 3’ radius, always getting wet if I have to reach the overflow.
Waterflow is hard. Seems to take extra wave makers to make sure I have ok flow.
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Honestly, we are having to replace the floors where my reef is. If I could find a good buy on a 120, I’d switch in a heartbeat and make the corner freshwater. It’s a beautiful tank. Just the curve shape does not lend to efficient reefing.