Debris in tank

Hey all!
I want to see if you guys and gals could help me find a solution to my problem of my water having what looks like to me some sort of debris.

I have a 200 Gallon tank.
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My filtration is as follows
Over flow box 1
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Overflow box 2
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Down into the Fuge
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Skimmer -- Also added floss to next spillway to try and catch more
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Fuge area
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Return area
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Here are the pics of debris.. Best I can anyways.
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While there are bubbles present I do not think that most of them are. Hope you can see that these items are not symmetrical and have odd shapes to them. I have turned off Korallia's with no effect. Anyone have any Ideas? Thanks in advance.
Obone
 
How long has the sand been in the fuge. The reason I ask is because of the ring of foam on your sump/fuge. IME, this is typical of new sand. The sand in the tank looks to be established but the sand in the fuge looks new.

The other suspect would be the clown. The piles of sand in the tank look like the signs of a clown that is moving/fanning the sand.
 
@obone wrote:
[img]http://i5.photobucket.com/albums/y186/obone/IMG_0041.jpg[/img] alt=""> Obone said:
How long has this tank been set up? You're on the right track with the filter sock but it could clog and possibly overflow onto your floor if not carefully watched.

Mark
 
Guys - Thanks to everyone for the quick responses. Ok little more back ground since everyone is so observant on my new sand (cant get anything by you guys). So I had a Wet dry filter that I thought may have not been helping my crap in my tank issue so I just put this fuge in on Saturday. The problem was the same before. My Clown does stir up sand now and again and I have a "Super Gobie/blue jaw gobie that sifts some sand but I have watched them and dont think that they are causing the problem either.. Maybe they are but I have watched the sand that they mess with fall soon after. I am going to check my Cal and Alk. Unless my kit is wrong I dont think that it is that, But I will let you guys make that guys after I test.. Be back with that info in about 10 mins.

Obone
 
I just did a water change and saw a metric butt load of this.. I think it has legs.. hard to show you in the photo.. I am lost.. what to do?
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