Floating Magnetic Aquarium Cleaner Brush - Algae Scraper For Small Fish Tanks. Enhance Your Aquarium Cleaning Routine with Our Magnetic Aquarium Fish Tank Brush. Designed for Convenience and Efficiency, This Brush Utilizes Strong Magnetic Force, Making It Easy to Clean Your Aquarium Glass. As You Move the Exterior Magnet, the Interior Brush Follows, Effectively Removing Algae and Scum. The Floating Feature Ensures the Brush Never Sinks, Simplifying the Cleaning Process. Features: - Powerful Magnet: Ensures a Strong Hold for Effective Cleaning. - Non-Sinking Brush: Floats Within the Tank for Easy Retrieval. - Durable Build: Crafted with Plastic and Magnetic Materials. - Easy Algae Removal: Cleans Your Tank with Minimal Effort. - Compact Size: Suitable for Aquariums 30~50cm with ≤4mm Thickness. - Color Options: Comes in Classic White and Black. - User-Friendly: Simple to Use While Keeping Your Fish Happy and Healthy. - Material: Plastic and Magnet - Blade Size: 3.5cm X 2.2cm - Compatibility: Ideal for Tanks with Specific Size and Thickness Requirements. Note: - Carbon Fiber Blades Are Replacement-compatible, Not Metal. - Slight Variations in Color May Occur Due to Display Differences. - Keep out of Reach of Children and Individuals with Pacemakers..