The video shows a close-up of a fish tank with water and rocks. A person is using a vacuum to clean the tank, and the water is moving around as the vacuum is being used. The person is wearing a white shirt and is holding the vacuum with their right hand. The fish tank appears to be well-maintained, and the water is clear. The rocks in the tank are of various sizes and colors, and there is a filter visible in the background. The person is moving the vacuum around the tank, ensuring that all areas are cleaned.