Here's a description of the video: The video shows a small, rectangular glass fish tank being cleaned. The tank sits on a light, wood-look floor and is filled with water, a black substrate, various seashells, a small plant, and a decorative mushroom-shaped house. A clear plastic tube attached to a black cleaning device is submerged in the water. Someone is operating the device, creating suction, which stirs up the water and presumably removes debris from the tank's bottom. The background consists of a textured white wall.