Shades Pond From Harmful UV Rays Concentrated For Ponds Conceals Fish From Predatory Birds Concentrated, Easy-To-Use Formula Safe For All Fish, Plants and Wildlife Compatible With All Other Fritz Products FritzPond Blue Dye turns pond water a beautiful, vibrant blue. Blue water also helps to conceal fish from predatory birds and wildlife. FritzPond Blue Dye is compatible with FritzZyme® biological products and all other FritzPond conditioners and clarifiers.
