The Fortune-star Aquarium Gravel Fish Tank Cleaner Tools are designed to help you keep your fish tank clean and fresh. The set includes a hand syphon pump, algae scrapers, and a variety of sizes of fish tank cleaning brushes. The hand syphon pump is easy to use and the algae scrapers are effective at removing harmful algae from the water. The brushes are also great for cleaning the glass and other aquarium equipment.