70G mixed tank.
1 x Koralia 4 (1200gph)
1 x Koralia 3 (850gph)
1 x Koralia 2 (600gph)
1 x QO return pump (about 300gph after head loss)
Total 2950gph / 70g = 42x turnover. I've thought about more but whenever I add it, mushrooms start letting go throughout the tank and create a real mess.
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Mark...
290g Peninsula Display, 425g total volume. Setup Jan 2013.
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