The Exo Terra Turtle Clear Aquatic Habitat Cleaning Kit is a set of maintenance tools that makes cleaning your aquatic terrarium simple.Includes Gravel Cleaner & 2-in-1 Algae Removal Tool. Gravel Cleaner:The Exo Terra Gravel Cleaner is a convenient tool designed for routine water changes and maintaining ideal water quality. Aquatic turtles can be messy eaters, resulting in uneaten food and waste that accumulates in the gravel bed and under décor items. Excessive waste produces high levels of ammonia, phosphates, nitrates, and nitrites that lead to cloudy water, algae growth, sludge buildup, and odors. -Easy-to-use pump-start gravel cleaner -Equipped with 18-inch cleaning tube and 5-foot non-kinking hose -Gravel guard prevents gravel from entering maintenance bucket