Hygger Aquarium Strong Magnetic Cleaner, Fish Tank Glass Algae Cleaning Brush with 2 Blades for Glass and Acrylic Aquariums Floating Algae Scraper Tool (S). 【Dual-Action Cleaning System】Powerful magnetic aquarium glass cleaner easily removes algae and stubborn build-up with two different tools: a hard bristle brush surface for safe scraping, a stainless steel/plastic knife combo to deal with hard-shelled algae, and an anti-scratch material to protect your aquarium glass during use.
