Easy, ergonomic cleaning: The handle provides fulltank reach so you can clean deep areas without submerging your hands, reducing disturbances to fish and ensuring thorough algae and debris removal. Flexible corner cleaning: A flexible, multiangle head adapts to tank walls and corners for precise cleaning in square or irregular tanks. Durable and hygienic: Built for longlasting use with aquariumsafe materials; detachable brush head allows quick disassembly and cleaning between tasks. Wide compatibility: Designed for home aquariums, large tanks, and turtle habitats; suitable for a range of tank sizes and setups. Easy maintenance: Simple to assemble and reassemble, quick to rinse, and easy to sanitize to maintain performance. Use case: Clean algae along the perimeter of a rectangular freshwater tank, reaching behind dcor without wetting your hands. Use case: Reach the corners of a square or tall nanotank with the flexible head for thorough edge cleaning. Use case: Maintain turtle tanks by brushing vertical walls and the substrate area without disturbing occupants.