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#11
06-13-2009, 02:45 AM
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Hi again!
Brian, the link you sent me on the sump is EXACTLY what I have. I;m not sure I understand, why should I get rid of the trays and wheel, and why get rid of skimmer (any suggestions as to what to get?) I wouldn't have a clue as to where to go from here to replace my sump system? I was told at one LFS that most find it hard to get their nitrate levels below 40-50ppm? He felt that since most of my parameters are good that my nitrates being at 20-30 was good. Because I'm quite new at this, I tend to believe what people in the business tell me. So if this info is bunk, I wouldn't know. You guys are scaring me a bit by telling me to get rid of my sump setup. I honestly don't know where to go from here. Thank you all again, as I truly appreciate the advice. Thanks to "fishytime" for taking your extra time with me!  PS I have about 20-25 pounds of live rock Last edited by animallover; 06-13-2009 at 02:49 AM. 
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#12
06-13-2009, 02:58 AM
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Hi again!
Brian, the link you sent me on the sump is EXACTLY what I have. I;m not sure I understand, why should I get rid of the trays and wheel, and why get rid of skimmer (any suggestions as to what to get?) I wouldn't have a clue as to where to go from here to replace my sump system? I was told at one LFS that most find it hard to get their nitrate levels below 40-50ppm? He felt that since most of my parameters are good that my nitrates being at 20-30 was good. Because I'm quite new at this, I tend to believe what people in the business tell me. So if this info is bunk, I wouldn't know. You guys are scaring me a bit by telling me to get rid of my sump setup. I honestly don't know where to go from here. Thank you all again, as I truly appreciate the advice. Thanks to "fishytime" for taking your extra time with me! PS I have about 20-25 pounds of live rock
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#13
06-13-2009, 05:56 PM
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Hey
How big is your tank? If you have 1 to 1 1/2 lbs. of live rock per gallon you don't need the biowheel or any other media for biological filtration. You could probably keep one of the filter trays for mechanical filtration if you change it frequently. If you can remove the wheel and trays would that would free up some space in the sump? If it does see what the biggest skimmer footprint is that you could fit in there. For nitrate levels I think most people with corals try to keep the levels under 10 ppm. Fish only tanks can be much higher. I have no experience with sea horses but I don't think many people keep them in a reef because of the high water flow needed and I don't know about their tolerance for nitrate.
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Brian ____________________________________________ 220g inwall 48"x36"x30" 110g mangrove refug/sump Poison Dart Frog Vivarium
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#14
06-13-2009, 07:26 PM
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As was said above, biological filtration (the biowheel and apparently the batting that you use in your filter trays) is not needed in reef tanks, that's what the live rock is for. The reason they told you not to change all the filter material at once is for biological filtration... when you change it, you lose the bacteria that populate it. This works for fish only tanks, or tanks with little live rock... it is not needed (and probably the source of your nitrates) in a tank with lots of live rock.
Skimmer tend to work best when they are run constantly. Something about the interaction of the proteins and the 'skin' that forms on the inside surfaces of the skimmer body makes them more efficient when they've been running for a couple days to a week straight, or so I've been told. It's obvious that you don't have a lot of flow in the display (you are keeping seahorses after all), have you considered adding some live rock to your sump? Larger chunks will have deeper areas that are anaerobic, which provides a place for the nitrate consuming bacteria to live.... while you're at it, you could run some Chaetomorpha algae in there with light, that will also help with the nitrates. Or grow some other macro on the rock. Some fish do poorly in nitrate laden water... something to keep in mind if your fishes look a little off.
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Calvin --- Planning a 29 gallon mixed reef...
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#15
06-13-2009, 07:52 PM
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The Basics of Filtration for the Reef Aquarium
http://www.advancedaquarist.com/issu...3/beginner.htm Skimming Basics 101: Understanding Your Skimmer http://www.reefkeeping.com/issues/20...ture/index.php Reef Aquarium Water Parameters http://www.reefkeeping.com/issues/2004-05/rhf/index.php The Reef Aquarium Volume 3 by C. Delbeek & J. Sprung http://www.jlaquatics.com/product/li...ardcover).html
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour
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