VAYINATO Mini Magnetic Fish Tank Algae Glass Cleaner Scrubber (Color May Vary) Aquarium Tool

small magnetic algae brush is powerful enough to help clean glass tank easily. The inside velcro material is ideal for harder algae while the outside soft felt pad prevents the glass from scratching. No disturbance to the fish for there is no need to empty the entire tank while cleaning. Compact size will not block the view when attached to the tank. But not suitable for acrylic or plastic aquarium.