ApplicationsOur Moon White is ideal for use in all freshwater, saltwater and reef tanks to simulate the lunar glow of a full moon on a summer tropical night, and is also great for terrarium use. Reptilian Red is ideal for use in all terrariums to promote and view nocturnal activity. And our Nocturnal Blue is ideal for use in all freshwater, saltwater and reef tanks by creating a mysterious nighttime glow for nocturnal viewing. This is also great for terrarium use.