I have a 200l tank with a Fluval 360 filter plus added mods. I have a Ruby shark, Dalmation Jollies, Black Neon Tetras +.
Go to aquarium centres, and always make sure they are friendly with your existing fish.
Maintaining proper calcium levels is an important part of keeping your marine tank healthy.
Why buy Aquarium Supplies online?
An overview of tropical fish tanks, what they are, and the pros/cons of keeping one.