Cleaning device for aquariums has mounting attached to inner wall surface of aquarium, and whose outer edge gradually increases towards inside of mounting

摘要

A mounting (12) has a magnet (14) for attaching to the outer wall surface of an aquarium (10). Another mounting (16) has a magnet (18) for attaching to the inner wall surface of the aquarium. The magnets are arranged such that they attract each other. The mounting (16) has an outer edge (16a) that gradually increases towards the inside of the mounting (16).