Trollfest
Fish Crazy
I don't have a marine tank (though would like one in the distant future when I have the funds) but just wondering why it is necessary to use RO water in marine tanks? And is it an absolute must?
I don't have a marine tank (though would like one in the distant future when I have the funds) but just wondering why it is necessary to use RO water in marine tanks? And is it an absolute must?
Thanks everybody! Although now I need to ask, what's FO and FOWLR??![]()