Just generally speaking, having both sw
tanks i think the sw
is about the same. The initial cost is greater and you have to pay attention to the water and creatures a bit more, at least in my experience. Once you are all set up and stocked it becomes just as easy as a fw
I would get the biggest tank you can fit budget/size wise. The more water volume you have the easier it is to keep your parameters in check.
There are some great articles on this site, check out the stickies at the top of the sw