GloFish Betta Leaf provides the perfect, stress-free place for your GloFish Betta to rest. The Betta Leaf helps optomize water quality, and regulates pH and reduces phosphate. It provides two looks in one, as it looks natural under white LEDs and glows under blue LED lights.Rinse plant with tap water before adding to your aquarium. Bend stem at the base so the leaves lie flat and extend into your aquarium. Place in your aquarium, using the suction cup, about 2-2.5 inches below the surface of the water.