Completely versatile hands-dry algae scraper and scrubber. The Mag-Flip actually flips from a scraper to a scrubber without placing your hands into the tank. Scrubber is great for removing standard algae and build-up; while the scraper can take down tougher cleaning jobs like coralline algae. The handiness of a mag-float combined with a strong; plastic algae scraper with the Mag-Flip. Includes scraper for glass aquariums. Acrylic scraper is sold separately.