hey im new to the forum. im trying ot get help on starting a 20 gallon long salt water tank. i am in another forum witch i like alot but its been slow there so decided to try here. ok so i just got done setting up my 20 gallon long its got a aquackear 300 filter a light on top and a stone bubbler in the tank at first i was thinking fresh water but i remembered how my bro had puffer fish . he loved salt water tanks alot he had mostly puffers so i decided thats what i want to do. i was thinking figue 8 puffers because there hardy with tank mates and live rock of course. could you guys help me on what i need how much salt and all that im going ot the pet store today for prices and what not. thx AGAIN