AQQA Aquarium Magnet Glass Cleaner - Enhanced Magnetic Fish Tank Cleaner with 2 Types of Blades, Self-Floating Aquarium Glass Scrubber Algae Scrapers for up to 0.5" Thick Glass/Acrylic Aquariums (M)Brand: AQQA Color: Green Features: Enhanced Magnetic Performance Utilizing reinforced rare earth magnets, this aquarium glass cleaner delivers exceptional magnetic force. Unlike other cleaners that may detach due to weak magnetism, our algae scraper features significantly stronger magnets for reliable, consistent performance. The permanent magnets ensure that magnetic strength remains strong even after prolonged use. Suitable for glass or acrylic