The Wizard Pro Aquarium Cleaning Kit is equipped with everything needed to keep your glass aquarium looking picture perfect. The metal safety scraper removes heavy algae and mineral deposits. The 3?? sponge cleaner freely cleans off new algae growth, while the 3?? coarse pad removes built up stubborn algae and mineral deposits. The extendable aluminum handle expands to 22?? allowing reach to all corners of the tank, while the corner adapter with coarse pad allows you to clean those hard to reach places.