House of Fins in Greenwich, CT suggests no less than 5"...I agree.
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72x26x24 Miracles rimless with ReefSavvy ghost overflow
4xMitras LX7206 / Lifereef sump, skimmer and fuge
302 Aquatics algae scrubber / JBJ 1/3 HP Chiller
Aqua UV 28W
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