In the video, a person is seen holding a plastic bag over a fish tank. The person then proceeds to fill the bag with water from the tank. The water appears to be clear and the tank is illuminated with blue lights. The person's movements are deliberate and careful, ensuring that the bag is filled to the right amount. The fish tank seems to be of average size and is placed on a table or countertop. The person's attire is not visible in the video, and there are no other objects or people in the frame.