The primary benefit of an algae scraper is its ability to effectively remove algae from the surfaces of the aquarium. Algae growth is a common issue in aquariums, and excessive algae can detract from the aesthetics of the tank, hinder the growth of live plants, and negatively impact the overall health of fish and other inhabitants. An algae scraper allows you to physically scrape off and remove algae, helping to keep your aquarium clean and visually appealing.