Product Description Upgraded Aquarium Gravel Cleaner, 5 in 1 Fish Tank Cleaning Tools WATER CHANGER – This aquarium water changer is very easy to use. By simply pressing the button on the handle several times, water will flow out from the aquarium. GRAVEL & SAND CLEANING – This aquarium gravel cleaner’s long rigid nozzle can stir up the wastes in the gravel so that the wastes can suspend and be sucked out with the water. FISH NET – It is very convenient to remove the fish from the aquarium to prevent damage to the fish when cleaning the fish tank. GLASS ALGAE CLEANING – The included plastic algae scraper can be easily fitted to the rigid pipe for algae or glass stain cleaning