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Home      Reply		Viewed: 261 -- Replies: 9
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Posted	marine set up
06-11-2006 11:01 by tank busters	thinking of giong back to marines and have a few questions,if i use live rock as my main filtration and canisters filled with filter floss and rowaphos and carbon am i right in saying that once rock is established i will have low nitrates all the time due to the live rock rather than using cannisters filled with biological media.thinking of having fish only or maybe some coral
06-11-2006 11:47 by PaddyD	Yes. The organism on the live rock will reduce the nitartes. I would just use your canisters fr chemical media - should not be any need for flter floss (unless seperating layers. The problem with normal biological filters is that nitrates is the main product of them, so live rock works best by itself. A protein skimmer would also be a valuble addition, generally its benefits out weigh its drawbacks - eswpecially for a mainly fish setup. The rock will also naturally be established - so you can start stocking straight away (with care of course)
06-11-2006 11:52 by tank busters	cheers mate was concerned about the nitrate aspect and was gonna use live sand aswell,what sort of media do u recomend for cannisters thanks.
06-11-2006 12:43 by PaddyD	I used live sand on mine, and it was successful, but it probably is not required. I would just use carbon and rowaphos or similar phosphate remover. So it can be a small filter. The only thing to remember is that you need the flow to be 10-20 time the volume evwey hour. This should be supplied by at least two pumps to give at least some level of turbulence. and to keep debris from building up in the rockwork.
06-11-2006 12:57 by tank busters	was gone add various power heads some flowing down back of rock and some at surface
06-11-2006 17:28 by keith t	i dont know if this is of some help but i read the other day that all activated carbon no matter what they tell you leaches phosphates. So what ever your taking out with rowaphos your just adding it back in with carbon
06-11-2006 18:03 by nick	You should only use carbon for a couple of days a month in a marine tank to polish the water, as keith says it leaches phosphate and other thing back in to the water HTH
06-11-2006 18:05 by tank busters	right cheers
07-11-2006 10:33 by Alan	Turnover of water must be at least 20 times per hour even 40 times an hour would be good as it will prevent debris build up and will boost the rate of pollutant handling by the live rock. The live rock must also be the only biological filtration. In addition I would recommend the use of rowaphos and a protein skimmer and possibly a UV sterilizer.
07-11-2006 10:57 by tank busters	cheers alan

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