The JBL Algae Magnets are magnetic glass cleaners available in various sizes. Glass is cleaned easily, simply attach the magnets and move the outer magnet via the sturdy shaped grip. The strong inner magnet has a cleaning pad which cleans stubborn algae and other dirt from the inside of the glass. JBL magnets are not only strong and durable, they are also very gentle and will not scratch the surface. However this item is not suitable for use on acrylic or plastic tanks Join the inner and outer magnets at the upper aquarium rim. Clean the glass from outside of the pane using moving the algae magnet in circular movements.
