Aquarium gravel looks great and provides a home for good bacteria to grow. Unfortunately, it also gets dirty! Sediment and debris settle on the bottom and can make your tank look messy and effect water quality. The easiest way to remove this build up is with an Aqua One gravel cleaner! With an easy start syphon process and an adjustable length of 9-16 inches, simply get the cleaner started and run it through your gravel! The syphon action will suck debris and sediment out of your gravel and out of your tank while allowing you to perform a water change similtaniously! Less mess, less fuss, less muck, less effort: you'll love this time saving aquarium accessory!