The Black Onyx Lake and Pond Colorant is a high-concentrate liquid colorant designed to enhance the visual appeal of water features. It creates a stunning, mirror-like black appearance in lakes, ponds, water gardens, and ornamental water features, providing a sleek and polished look. This colorant is safe for aquatic life, including fish, waterfowl, and other animals, making it an environmentally friendly solution for aesthetic enhancement. Available in a 1-gallon format, it is perfect for use in golf courses, resorts, and decorative outdoor spaces.