100% BIOLOGICAL Exo Terra Turtle Clean is a 100% biological turtle habitat cleaner that when used every week helps control odors and break down solid organic waste. BENEFICIAL BIOLOGICAL FLORA Exo Terra Turtle Clean helps eliminate organic waste in turtle habitats. This powerful biological formula efficiently reduces solid turtle waste and leftovers that are a natural result of turtle feeding. Exo Terra Turtle Clean helps improve filtration efficiency and is effective at controlling odors. The natural byproduct of Exo Terra Turtle Clean is a food source for desirable beneficial bacteria. Key Features : Cleans Turtle Aquatic Habitats and Gravel Reduces and Controls Odors Rapidly Reduces Organic Waste Instructions for Use : Shake well before using. 5 ml per 38 L / 10 US gal of water. Use this dose at the initial set-up and as a weekly treatment.