A super aquarium cleaner scraper and siphon all-in one. This Gravel Vac is designed for the removal of grungy waste dirt layers and debris from the gravel bed at the bottom of your aquarium. The vacuum features a unique scraper that reaches below the gravel line for a proper glass cleaning without scratching the glass. The gravel vacuum also features an easy-to-use self-starting siphon for easy routine maintenance of your fish tank.