Description Scrub, Flip, Scrape, and Now *FLOAT* with the patented FLIPPER Aquarium Cleaner. The new Floating FLIPPER is the last aquarium cleaning tool you will ever need! Flipper's patented design creates the only 2 in 1 magnetic aquarium cleaner that can FLIP from scrubber to scraper simply by rotating the handle. Floating FLIPPER features an ergonomic GRIP/FLIP handle for easy FLIPPING. The cleaner now floats to the top of your aquarium if it ever becomes disconnected for even easier retrieval! A "must-have" cleaning tool for advanced hobbyists and maintenance professionals! Video Demonstration: Features - FLOATS to the surface if the cleaner ever becomes disconnected! - NEW Ergonomic GRIP/FLIP Handle for easy FLIPPING from Scrubber to Scraper - NEW Improved longer lasting handle felt * Made with rare earth magnets for incredible cleaning strength and durability. Cleans even the most stubborn coralline algae * Blade side has only 3 contact points resulting in a safety gap between the cleaner and the glass. This minimizes the chance of trapped sand which reduces the chance of scratching, even when cleaning below the sand! * Unique orienting buoyancy always keeps the magnets facing the glass for easy retrieval * The Standard and Max models include (2) replaceable blades: Stainless Steel for glass tanks and ABS plastic for acrylic tanks. - Recommended to replace blades every 3-6 months to maintain optimal algae scraping Specifications Nano Standard Max Safe for: Glass & Acrylic Glass & Acrylic Glass & Acrylic Glass/Acrylic thickness: 1/4" (6 mm) 1/2" (12mm) 1" (24 mm)