Got my Oldcaste sand at HD, how important is LR?

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jamal-188

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I decided to switch to a DSB(even though the benefits aren't as great as in a reef tank) while my main tank is empty of fish. The tank is already cycled so I'll take 1/2 my cc out and replace with sand then wait 2 weeks for the bacteria to switch over to the sand then replace the other half so I don't have to hunt someone down to get LS from them. Anyway, how important is LR in a fish only tank, my LFS sells it but it's $6 a lb and my tank is 110G so it would be really expensive for me :(
 
Depending on what other form of biological filtration you have it is either very important (little or no supplamentary bio-filtration) or not so important (good biological filtration).
 
Well I guess my biological filtrations would be my bio balls in my wet/dry sump which I belive are supposed to be pretty good biological filtrations. I also have a bunch of other rock that wasn't live, will that have any biological effect on my tank, should I maybe just mix in some live rock with my normal rock and the organisms will spread out?
 
If you have a trickle filter and have no intention of adding inverts,,,then I would skip it, I would probably use some dry base rock from www.hirocks.com as decoration and maintain water quality via regular water changes.
 
I actually do have some inverts already, a couple starfish and a cucumber. My decorative rock looks exactly like the rock in the picture you provided.
 
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