Aqua Black Select Lake & Pond DyeRejuvenate the dull, lackluster water in controlled water systems such as ponds, lakes, lagoons and other water features with the Select soluble granule line of products. Aqua Black Select creates an elegant mirror like effect while limiting sunlight penetration into the water. Aqua Blue Select is a unique formulation which filters a wide range of the UV light spectrum. All formulations are non toxic to aquatic species, water fowl and pets, and the