Choosing a Tank
When choosing a tank appropriate for your fish take into consideration the size of your fish. Use the 1 inch-1 gallon rule. For every inch long your fish is then you shoul have a gallon of water.
Exampel: 3 gold fish each being 2 inches long should have 6 gallons of water
Checking Your tank
Filtration and Temperature Control Systems
This is a water filternormally used for salt water tanks.
This adds dissolved oxygen to the fish tanks.
Temperature Control System and a Light System
This is a basic system that maintains and reads the tank temperature. You'll need a florecent light to heat the tank to it's correct temperature.