Human: What is the best way to care for a new fish tank? Assistant: 
The best way to care for a new fish tank is to make sure that the water is cleaned and filtered regularly. Check the levels of chlorine and pH as well as any other additives needed to ensure a healthy environment. Give your fish plenty of oxygen by using an air pump or water filter. Feed them a variety of food, and make sure to clean the tank and its equipment regularly to prevent the growth of algae or other contaminants.