With a stainless steel blade, this algae cleaner allows for thorough and precise cleaning of aquarium, glass surfaces. Even very tenacious algae are removed from the glass by means of the precise blade. Changing the blades is very easy by pushing a button within the handle. The blade is firmly seated in the handle. The scraper comes with 6 stainless steel blades. One installed and 5 for replacement purposes. Specifications: The blade is 10cm (3.9") long, while the scraper is 14cm (5.5") long.
Note: Please wipe the blade and keep it clean after each use. Replace the blade immediately, when you notice passivation, breakage, or rust. *To be used on glass surfaces only.