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08-02-2007, 06:21 PM
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#1
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Aquarium Advice Apprentice
Join Date: Aug 2007
Posts: 25
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silly question
silly question maybe....
I've got a tank with crushed coral but want to add live sand. I can just pour the sand right in over it? Im not going to get poison gas bubbles or fish that cant tolerate a mix of crushed coral and sand? 
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08-02-2007, 07:19 PM
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#2
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Aquarium Advice Freak
Join Date: May 2007
Location: WA
Posts: 228
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I have heard of people doing that.. but some has told me that CC will find its way up.. I took all my CC out and just put sand.
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08-02-2007, 10:03 PM
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#3
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SW REEF 20+ YEARS
Community Admin
Join Date: Oct 2004
Location: Virginia
Posts: 39,145
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Eventually over time the CC will come back to the top as the sand works it way to the bottom. I`m also thinking it might be better to remove the CC and add sand.
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08-03-2007, 11:53 AM
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#4
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Aquarium Advice Apprentice
Join Date: Aug 2007
Posts: 25
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Sand is better?
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08-03-2007, 01:31 PM
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#5
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SW REEF 20+ YEARS
Community Admin
Join Date: Oct 2004
Location: Virginia
Posts: 39,145
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Sand is smaller and wont trap as much fish waste under it as CC will. Dont get me wrong CC will work but you`ll have to do more dilligent work to keep it clean. Sand is also easier for some fish that need it sift or hide in. BTW there is no such thing as a silly question if you are trying to learn.
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08-03-2007, 01:33 PM
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#6
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Aquarium Advice Apprentice
Join Date: Feb 2007
Location: New Jersey
Posts: 55
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That's just the way of things - if you have materials like that with two different sizes of particles, the smaller will gradually filter down through the larger if it's on top. Read an article in SciAM on that once, but b-o-o-o-o-ring
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Dan
55 gal FW
bristlenose / 2 otos / 5 corys / 12 platys / 4 giant danios / 6 serpae
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08-03-2007, 03:04 PM
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#7
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Aquarium Advice Apprentice
Join Date: Aug 2007
Posts: 25
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Oh I figured the sand would go to the bottom. I actually hate using sand, because I find it a pain to clean with my python...but, having 30lbs of dead liverock I need something else to get my tank going. I will get a bit more rock, but the sand seems like a benefit to the tank overall.
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08-03-2007, 03:21 PM
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#8
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SW REEF 20+ YEARS
Community Admin
Join Date: Oct 2004
Location: Virginia
Posts: 39,145
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You dont need to clean the sand that way. Get a sand sifting goby or narsirus snails. I have a bullet goby that all he does is sift sand. You can actually see him sifting the sand.
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08-03-2007, 03:55 PM
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#9
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AA Team Emeritus
Join Date: Feb 2006
Location: Mount Laurel, NJ
Posts: 9,149
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I agree...the narsirus snails will do a great job of keeping the sand stirred up. I would not recommend vacuuming the sand unless you are planning to remove some of it.
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08-06-2007, 11:33 AM
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#10
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AA Team Emeritus
Join Date: Mar 2006
Posts: 13,858
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I had both CC and sand. The CC ended up on the top and started to be a pain. I removed the CC and now just have a sand substrate, of course, this is just my personal preference.
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08-06-2007, 12:51 PM
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#11
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AA Team Emeritus
Join Date: Feb 2006
Location: Mount Laurel, NJ
Posts: 9,149
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I am with you Scott! I like sand much better!
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