why is it that....

[Diomedes]

A cool question.

I feel that reactors are essential on any tank including corals. And it is true that some soft corals can consume calcium at rates greater than some stony corals. A large Sinularia dura colony is so chalk full (excuse the pun) of calcium carbonate spicules or sclerites that they must (IMO) consume more calcium than some typical LPS stony coral spp. and maybe some of the slower growing SPS. These things (S. dura) can quintuple themselves in an 10 month period without a sniff. That means a lot of spicules. Also stony coral skeletons are not solid aragonite. Does anyone know how dense your average Acro is? How much calcium is actually there? I don't know...thats for sure.

I just put a 225 in my wall (with reactor coming) and am going to have only aposymbiotic soft corals for the next couple of years. If I am consuming lots of Calc I'll let you guys know.

Stephen