Add some light to the rock, if it grows algae, pods should emerge, sponges will grow and that means the rock is live, if nothing grows on it then it's dead, if that's the case, add some live rock to re seed it!
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Always looking for the next best coral...
90g starphire cube/400mhRadium20k/2 XHO/2x27w UV/2x39w T5/ 3 Trulumen led strips
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