Vincentii;3736773; said:too much water changes can remove the trace elements in the water that is already mature.
Huh? Please elaborate on this with details. I can't wait to hear what trace elements "mature in the tank". I would really like a reference too. I have access to a good academic library, so if its a book or something that isn't digital, I can get it.
The only things in the water that are "maturing with time" are DOC's and nitrates, both of which need to be removed as they are toxic when they build up.
Freshwater fish need freshwater. Change away.
