Freshwater Aquariums Basic Aquarium Setup And M... Official

For beginners, a 20-gallon tank is often recommended. Larger volumes are actually easier to maintain because water chemistry stays more stable.

Place the tank on a level, sturdy stand away from direct sunlight (to prevent algae) and drafty windows.

Gravel or sand provides the base for plants and decor. Freshwater Aquariums Basic Aquarium Setup and M...

Add your substrate, then fill the tank with water. Use a water conditioner (dechlorinator) to remove harmful chlorine from tap water.

Most tropical fish require a steady temperature between 75°F and 80°F. For beginners, a 20-gallon tank is often recommended

The filter is the life-support system. It removes physical debris and provides a home for beneficial bacteria that neutralize toxic fish waste.

Invest in a liquid test kit to monitor pH, ammonia, nitrite, and nitrate levels. Gravel or sand provides the base for plants and decor

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.