API ALGAE SCRAPER GLASS uses an extra-long, extra-strong handle with durable scrubbing pad for easy cleaning in glass aquariums. Removes unsightly algae quickly and effectively, with extra-long handle to prevent hands from getting wet. Not for use on acrylic or plexiglass. Do not use on dry surfaces. With API aquarium products, its easy to keep a beautiful saltwater, freshwater or reef aquarium. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because were dedicated to making a better underwater world. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too.