The video shows a person pouring water into a fish tank. The person is holding a small container and pouring water into the tank. The fish tank is filled with water and has plants and fish swimming in it. The water is clear and the fish are visible. The person pours the water carefully to avoid disturbing the fish. The fish are swimming around and the plants are swaying with the water movement. The fish tank is well-lit and the water is clean. The person continues to pour water into the tank until the water level rises.