hygger Strong Magnetic Fish Tank Glass Cleaner, Floating Fish Tank Cleaning Brush, Aquarium Algae Scraper, Scratch-Free Fish Tank Glass Cleaner with Detachable Scraper, S

【Floating Design】: The internal floating avoids the brush(the part in tank) sinking in the bottom of aquarium and makes it convenient to take it out of the tank. 【 2 blades】:Aquarium cleaning magnet comes with two blades, one is metal and the other is plastic. Easy to install. Scrape algae effectively and effortlessly. 【Durable Waterproof ABS Material】: With the soft bristles, the inside piece cleans fast and efficiently without scratching the aquarium glass. 【Brand New Packaging & Multiple Sizes】: M:10.4*5.3*2.8cm, suitable for 50-80cm fish tank and fish tank thickness < 15m; S: 9.4*4.6*2.5cm, suitable for 80-150cm fish tank and fish tank thickness < 9.5mm. Clean algae and scum off of the inside of your aquarium the easy. Note:1. Do not use too much force when using.2. The blade is rolled or notched, and the blade needs to be replaced.3. There is sand inside the brush, clean it before use.4. Do not use on acrylic fish tanks.5. When using the scraper, scrape the algae back and forth on the inner wall of the fish tank, and do not scrape at an angle.