Old Perfecto Hood,
Hagen Aqua-Glo 15watt,
Read forums, read articles, read read read. Then when you've gotten sick of reading, talk to whoever you can that has ever kept fish.
Danios (all kinds),
Brazilian Swords (mine do fine submerged),
Mondo Grass (mine does fine submerged),
The first shall be last and the last shall be first
Just got into the hobby.
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.