Use manual suction cleaning technology to easily remove food debris and organic matter from the bottom sand and crevices of the aquarium decoration. Extended flexible straw with non-slip handle for easy access to fish tank corners; The transparent tube can observe the cleaning progress in real time, accurately control the suction, and avoid the accidental suction of fish, shrimp or water grass. Unique nozzle diameter and flow control valve, to achieve accurate suction control, easy to lock dirt residue, effectively avoid missuction of fish eggs, young fish or water grass, maintain the ecological balance in the tank. Suitable for daily maintenance of fresh water tank, seawater tank, small and medium-sized aquarium and ornamental fish tank, can clean the bottom sand, gravel, water grass leaves and other areas, keep the environment in the tank clean. With flow control valve, can freely control the size of water flow, with suction function to achieve accurate water change, reduce water waste, reduce frequent maintenance costs. Todosy Aquarium Cleaning dropper, 30ml Aquarium cleaning waste remover, Aquarium gravel cleaning straw, blue