My and my girlfriend are buying a house very soon, and we have always wanted a salt tank. I have multiple large freshwater tanks 10,40,60,100g with mainly catfish in them, but that's all the experience I have. I'm thinking of a 30g to house a snowflake eel and a few clownfish, but I have NO idea what the cost will be. I know I obviously need a tank, live rock, and something called a protein skimmer, but what else? I just want to make sure I'm not getting into a 1,000 project