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dodgersfan25 10-20-2004 11:05 PM

emperor 400
just to clarify, there is room inside one of these to put things like carbon, Phosgaurd, and other things like that, right? TIA

lando 10-20-2004 11:54 PM

Yes there is. It comes with two filter pads and two empty media containers that you can fill with whatever you want. This is a very good filter for HOB. I used it on my first reef and was very happy with it. I have heard of some people removing the bio-wheels to keep nitrates down though.

Bearfan 10-21-2004 12:19 AM

I run it with the Biowheels in FW, but I don't run a HOB in SW.

dodgersfan25 10-21-2004 12:38 AM

sweet! but what do the biowheels have to do with nitrates?

dralarms 10-21-2004 08:42 AM


sweet! but what do the biowheels have to do with nitrates?

In FW they help to eliminate them, in SW the bio wheel becomes a nitrate factory, adding it to your tank instead of removing it. 8O

lando 10-21-2004 12:48 PM

Someone correct me if I am wrong. The bio wheels create a place for areobic (needs O2) bacteria to grow. I believe this type of bacteria does a great job at removing nitrite, with it's bi-product being nitrate. There is no good resource to take care of the nitrate in this filter. That being said, I used the 400 for over a year on my first reef tank and I left the bio-wheels on. I never had any problem with nitrates. Maybe the DSB and 70lbs of LR (in a 38 gal.) had something to do with it. I am not the smartest one when it comes to Chem. and the natural biological cycle, but I HTH...Lando

lando 10-21-2004 12:51 PM

Sorry, one more thing. I ran Aqua Chargers in one cantainer and carbon in the other. The Aqua Chargers was suppose to be charged with a hig-density nitrifying bacteria.

ellisz 10-21-2004 05:06 PM

For a FO tank, you would not have to remove the wheel. I am using a Emperor 280 on a 29 gal with just 1 fish and a bad crab. I had had this filter for about 5 years and it is still going. Before I knew about LR, I used HOB filters on my FO tanks.

That being said, LR is a better alternative and looks cooler :D

I plan to try to use the 280 on my 10 nano as a refugium.

dodgersfan25 10-21-2004 07:27 PM

oh, ok. so i should take them off for my saltwater, right?

lando 10-21-2004 09:45 PM

Honestly, its up to you. You can try them at first, it you have higer then normal nitrates go ahead and take them out and see what happens.

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