How can you fit 150 lbs of liverock in a 65 gallons tank? no wonder you only have 4 fish in there..there is no more room for anything else. Putting more porous rock in the aquarium avoid having to fill it up to the top with liverock. I only have 45 lbs of Totoka liverock in my 75 gallons aquarium and my water quality is perfect with no detectible nitrates or phosphates and I have a niger trigger in there. That rock is so porous deep inside that it also take care of a good part of the denitrification as well as nitrification.
No need for more rock and the fish have a lot of room to swim. As for the mandarins, again the rock make a big difference as putting tons of large heavy non porous rock that does not offer a lot of hiding surface for pods will not be better than having 50 lbs of good porous liverock.
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Originally Posted by bowkry
the copperband is way to big of a fish for a rsm 250, I have the same tank and right now I only have 4 fish. Plus you cant have neer enough rock for your manderins, I have about 150 pounds and my tank is full of rock and I am concerned about one. I think you are way way overstocked. But some people can get away with it plus if you are running the stock skimmer I hope you have better luck than me.
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