Rock question

nano-newb1983

Active Member
Getting ready to go buy somee live rock, just got a quick question... Ive got 24G nano and im about to set it up. Ive got some old live rock(used to be in friends tank)about 12-15 lbs worth. When setting it in should i put it on top of the New live rock or bottom? ...or doesnt it matter.
thanks
 
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