Mag-Float Mini Floating Magnet Aquarium Cleaner Glass Acrylic up to 3mm (L45 x W25 x H20mm)

Mag-Float Long Floating Magnet Aquarium Cleaner Glass up to 10mm (L98 x W40 x H30mm) Mag-Float Mini – Floating Magnet Cleaner for Glass , Acrylic & Plastic (3mm) The original floating magnet cleaner is suitable for fresh or saltwater glass aquariums. Easily cleans away nuisance algae without getting your hands wet Powerful neodymium magnets create a strong magnetic coupling between the two halves If the magnets become separated the cleaning magnet floats to the surface for easy retrieval Suits glass/acrylic thickness up to 3mm Dimensions overall: 45 x 25 x 20 (L x W x H mm)