FLIPPER Nano Magnetic Aquarium Cleaner, 2 in 1 Flip Scrubber and Scraper with Strong Rare Earth Magnets for Algae Removal on Glass Tanks up to 1/4 inch (6 mm), for Freshwater and Saltwater AquariumsBrand: FL! PPER Color: Black Features: 2 in 1 Scrubber and Scraper Design: Combines a scrubber and scraper to remove algae and buildup from aquarium glass, allowing controlled cleaning while keeping your hands outside the water. Strong Magnetic Grip for Precision Cleaning: High strength rare earth magnets provide secure, controlled cleaning power allowing smooth movement along the glass to tackle stubborn algae and residue. Cleans Edges, Corners &