The Nano-Q algae scraper from Qanvee is a great tool in ensuring the walls of your planted tank stay free and clear from algae. Made from new, ultra-strong magnesium alloy and heavy-duty plastic, this algae scraper is suitable for use in both freshwater and saltwater reef aquarium setups. This package comes with 10 ultra-sharp blades to ensure this algae scraper stays fresh with increased product longevity and use. The algae scraper can also be used to flatten substrate levels to ensure a clean, straight line is produced, enhancing the viewing experience.