If you are going to use sand what I would do is put your sand in, throw a dead shrimp (superstore type, small) in and let it cycle. when your levels are down then put your rock in. this will give you a good biological filter already set up in the sand to reduce the cycle of the rock and give the inhabitants a better chance to survive.
If you are not using sand then just throw the rock in and let it go.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
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