55g is a good size to start with. Don't listen to all of the rumors that SW
is hard to do, they're just rumors. I've started my first SW
tank not even a month ago and I just added my first fishes today.
For a SW
tank, it is much more important to know about the chemicals that are inside your tank. In a FW
, it is much more forgiving compared to SW
First, you need to learn about cycling a tank. It'll help you understand the major components of how to maintain a SW
tank + what danger levels you need to watch out for.
For set up, obviously tank and stand. If you want to do fish only, you dont need very strong lights, but if you want to do coral and reef, you'll need high powered lighting. A sump and protein skimmer is recommended on a 55g and above tank. In SW
, 80% of the filtration in the tank comes from bacteria's that grow in your substrate and rocks. Live Rocks mean that there has already been bacteria grown on it. It'll be better to drill your tank to set up a sump system, but it isn't a must. You can always do a HOB
Here is an article about cycling a tank:
Cycle your salt tank