Ok a friend of mine has a 125 with all crushed coral substrate. Well with the calcium reactor it has become calcified. The whole bottom of the tank is one solid piece. Is there a easy way to to break it out or get the calcium out of it?
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I am in a similar situation and I went through a lot of reading and concluded that there is not much you can do about it. The only option is to change the substrate completely which is easier said than done.

