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Originally Posted by andy  HI, and thanks for your advise, by dead rock do you mean tufa rock or will any kind "marine rock" do for seeding.............Also how much is a "little" livr rock are we talking a couple of pounds to get things started off?? |
All depends on your Bio Load. If you have only one fish then you may only need a small piece (5lbs) of live rock to keep him happy and the water cleans, but as you increase your bio load your tank will always need to "mini-cycle" again as all tanks do ..
As fish create waste, bacteria builds up in the rock (sand, gravel, glass, whatever) to negate that waste and convert it to among other things, oxygen. When you add new fish, you add more waste, you need to give the bacteria time to build up and negate the new waste so the fishes are not swiming in thier own "stew".
The reason why I say this is because, you need to do everything slowly. Only bad things happen quickly.
Add fish slowly, remove live rock slowly ...
Read up on Biological Filtration, but thats the skinny.