The filter is the life-support system. It removes physical debris and provides a home for beneficial bacteria that neutralize toxic fish waste.
Place the tank on a level, sturdy stand away from direct sunlight (to prevent algae) and drafty windows. Freshwater Aquariums Basic Aquarium Setup and M...
Don't buy all your fish at once. Add a few at a time to allow the bacteria to adjust to the new biological load. The filter is the life-support system
For beginners, a 20-gallon tank is often recommended. Larger volumes are actually easier to maintain because water chemistry stays more stable. Don't buy all your fish at once
Add your substrate, then fill the tank with water. Use a water conditioner (dechlorinator) to remove harmful chlorine from tap water.
Gravel or sand provides the base for plants and decor.
Most tropical fish require a steady temperature between 75°F and 80°F.
