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Is it possible to overskim???


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I've run systems for years without skimmers but I couldn't say that it is possible to overskim at most I can say is I don't feel skimming is neccesary for most animals. Besides Dr. Ken Feldman's research showing skimming is selective in what it removes his research showing it affects the bacterial populations certainly raises some questions about it's use but it will take a good deal more research to really answer your question. Here's three links to Feldman's research he reported on Advanced Aquarist and there are a few others I've left out.

http://www.advancedaquarist.com/2011/3/aafeature

http://www.advancedaquarist.com/2010/2/aafeature

http://www.advancedaquarist.com/2009/1/aafeature2

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If you had NPS in your tank, I would say without a doubt that skimming was bad. Since I stopped using skimmers ten years ago, I am somewhat partial as to their necessity.

Patrick

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Like so many things in this hobby and life, there are so many variables. I don't think it would be a issue of overskimming on your setup. Its hard to say if it and how it would effect the different species. Trial and error.

Good articles. Thanks Timfish. I am going to run a Lee Chin system on my next setup. The closer I can replicate nature the better.

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. . . I am going to run a Lee Chin system on my next setup. The closer I can replicate nature the better.

Faron, I would encourage you to get Delbeck and Sprungs "The Reef Aquarium" Vol III. They have a very good chapter that looks at the various filtering methodologies. One advantage of the Lee Chin Eng system is it's very simple. One big aesthetic issue is evaporation will often leave a large space at the top of the tank between the water line and the frame or hood that many people will find annoying and some won't be bothered by. Here's an example of the typical water level just before topping off on an Lee Chin Eng system I maintain, you can see it has dropped about 2 inchs:

post-1247-0-52517400-1345397100_thumb.jp

(This system is using power heads for circulation instead of air bubles so it is not a "pure" Lee Chin Eng system but it has no internal, external or mechanical filtration or reactors and definitely no skimming).

One axiom concerning ecosystems is the greater the diversity of species the better it's stability. Using a sump and/or refugium in addition to a display tank does just this by creating different habitat's for different species to flourish in. Tyree's zonal system arguably does the best job of doing this with it's use of both lighted and cryptic refugiums. Sumps and refugiums also increase surface area and volume of a system both I would consider beneficial and the only reason I would not use one and/or both is there is some overriding issue like zero tolereance for noise or other considerations do not allow for the space for sumps or refugiums.

Keep in mind all these different systems are successful if maintained properly and intellegent selection of animals. None of these systems will work if not maintained or if poor judgement is used in the selection of animals. Since a marine system can last for decades with consistant maintainance and barring major accidents I would put emphasis on what you are going to enjoy spending time maintaining. Some people are going to gravitate to more complex systems others will prefer something simple.

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I've run systems for years without skimmers but I couldn't say that it is possible to overskim at most I can say is I don't feel skimming is neccesary for most animals. Besides Dr. Ken Feldman's research showing skimming is selective in what it removes his research showing it affects the bacterial populations certainly raises some questions about it's use but it will take a good deal more research to really answer your question. Here's three links to Feldman's research he reported on Advanced Aquarist and there are a few others I've left out.

http://www.advanceda...011/3/aafeature

http://www.advanceda...010/2/aafeature

http://www.advanceda...09/1/aafeature2

Looks like I have some light reading for my vacation. :)

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