...Is Live Sand better..????

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T

Trigger

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Jan 19, 2003
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Jordan, Minnesota
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I currently have crushed coral in the bottom of my tank approx 3 inches of it. I have read alot on "Live Sand" and it seems like it makes a large difference. I just want to get opinions from the experts on here. Thanks for your imput.
 
B

Boogiechillin

It's ok, I confuse my students too.
Oct 26, 2000
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Akron, OH, USA
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A deep sand bed (DSB) is much preferable to a crushed coral (CC) substrate. CC tends to catch a lot of uneaten food and waste, ultimately generating quite a bit of nitrate, even with regular cleaning. DSBs are inhabited by organisms that eat this waste. Moreover, the depth of a DSB provides for regions of anaerobic bacteria under the sandbed. These bacteria strip oxygen from nitrate to form harmless nitrogen gas, actively reducing the amount of free nitrate in the system.
 
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