base rocks? other rocks? anything but live rocks!

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Decz

AC Members
Aug 15, 2002
306
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BC, Canada
What kind of rocks are safe for a marine aquarium? I need to fill in a few spots, and would like a few more base rocks on one side, but I don't want to buy any more live rock (I already have 22 pounds in a 20 gallon tank)...

What kind of rocks can i use?

Thanks!

_Decz
 

caz

I'm a Sinker!
Apr 7, 2003
840
0
0
what about the base rock, reef rock sold at lfs? i got a bunch for around $1/lb, its bright white, but some peices have some nice color and fossil formations.

caz
 

OrionGirl

No freelancing!
Aug 14, 2001
14,053
342
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Poconos
Real Name
Sheila
Tufa, lava, texas holey stone. Most inert rocks are fine, but those three will become biologically alive, harboring bacteria internally in addition to the external life that will colonize it.
 
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