Fish R Fun Mag-Float Floating Magnetic Algae Cleaner for Glass Aquarium Long

The magfloat makes cleaning aquarium glass a breeze without getting wet. The magfloat comes in two halves, both magnetic. One half goes within the aquarium and the other half outside the aquarium. The powerful magnets enable the inner half of the magfloat to be dragged across the aquarium glass, removing stubborn algae on route. Should the two halves become detached, the magfloat algae removing side floats obediently to the aquarium surface for retrieval