any one can tell me if a ecosystem like Lang sy uses is good or is a Berlin system good two I want to make a great setup but only once and lighting do I buy that separate I know I'll need power heads for circulation what equipment do I buy first after I get tank looking at 75 gallon bow front tank reading few books the new marine aquarium from michael s. Palletta animal planet saltwater aquarium and saltwater aquariums for dummies cause what equipment Im lost on is filters and protein skimmers Ventura brand they mention canister-filters but for saltwater tank does it spike nitrates any out there can explain to be the right filter to have besides live rock and sand understand that area so far I'm nervous on defiling up saltwater tank and any one use premixed saltwater already made or better mix your own please help sorry for to much questions on the table I'm new to this hobby and only bin in freshwater hobby 15 years