The JBL algae magnet has strong magnets to ensure firm adhesion and quick cleaning of the aquarium panes.
With its sturdy recess the grip of the cleaning magnet also provides a firm hold.
Package contents: 1 magnetic glass cleaner, consisting of an external part and also a cleaning internal part
Also make sure that no sand grain or pebble comes between magnet and pane, as this would scratch your aquarium pane!
How to use: Join the inner and outer magnets at the upper aquarium rim. Clean the glass from outside of the pane using circular movements.
Magnets available (For glass):