Blue Planet UView Replacement Tube 9W Blue Planet Water Conditioner is a water conditioner suitable for fresh and salt water aquariums. This effective solution is non-toxic and safe for use around fish and plants and helps to improve the quality of tap water in your fish tank by removing traces of chlorine, chloramines, and heavy metal deposits to provide aquatic life with an optimal living environment. Features Highly effective water treatment conditions tap water in fresh and salt water tanks. Improves quality of tap water to provide fish and reptiles with healthy, habitable surroundings. Neutralises harmful levels of chlorine and chloramines which are toxic to fish. Easy-to-use by dosing as directed into your aquarium. Supports fish and plants with a nutrient-rich environment.