Medium Floating Aquarium Magnet Cleaner makes aquarium maintenace easier. Simply wipe across the glass and watch algae disappear. Clean your glass without getting wet or spilling water. The cleaner is made with strong, long lasting material. The moulded hang grip is perfect for children and adults. Deliberately coloured black, aquatopia's Magnet cleaner goes unnoticed on the side of your tank waiting ready to clean at your convenience.