Pro-Scraper Pad Covered Replacement Blades
Will not rust and will not add any metals to aquarium
Will not scratch acrylic or glass like metal blades do!
Soft enough to reach into and clean out previousy scratched glass or acrylic
Will clean out algae that naturally grows in such scratches!
Will not cut the user, even if just carried in your pocket!
Effective on even the most stubborn deposits!