I have successfully (in my opinion) created my own personal reef right in my living room for a little over a year now, and my question was is the use of carbon recommended? Still to this day I haven't put any carbon what so ever in my tank as chemical filtration, but recently and considering it. What are some of the advantages to those who use it, and disadvantages. I have read online about alot of reefers who opt not to use carbon. But at the same time I've heard/read that carbon will diminish trace elements and other things. Basically I'm asking if it is a good idea to add carbon to a system, or is it a waste of time and money? Thanks!