but most people will tell you to take it out when you start building your reef cuzz it holds excess nitrates which are bad for the corals
From what I have researched on carbon when I was messing around with FW
, it does not remove (i.e. hold) nitrates, nitrites, or ammonia from water. Carbon primarily removes DOC
's. It also removes some of the minor trace elements from water including copper, iodine, iron, & molybdenum.
However, according to Dr. Tim at Marineland, because this elements are not soluble in water, carbon alone cannot remove them.
I run carbon in both my FW
tanks. It makes them look so much clearer and removes that "fishy" smell as well.