Airmax Twilight Blue Pond Dye 4X Concentrate for Outdoor Ponds & Lakes, Natural Pond Colorant & Beauty Enhancer, Block Ultraviolet Rays, Fish, Bird & Livestock Safe, Easy Liquid Application,1 Quart

Shade & Protect Your Pond -- Pond dye is a liquid coloring agent designed to enhance the beauty of your pond, improve water quality, and provide shade and protection from the sun's ultraviolet light.. Available in 3 Shades -- Nature's Blue contrasts with lush green landscaping. Black DyeMond creates a reflective surface, perfectly mirroring the surroundings. Twilight is a beautiful blend of both.. Limits Sun Exposure -- Excessive sunlight promotes overgrowth of submerged aquatic plants, weeds, and algae. Airmax Pond Dye blocks specific portions of the sunlight spectrum, slowing weed growth.. Highly Concentrated Formula -- The 4X concentrated formula means 1 quart is equivalent to 1 gallon of other dyes. Treats up to 1 acre 4-6 feet deep. No water temperature restrictions, use year-round.. Easy to Use & Safe -- No mixing or measuring! Simply pour dye into your pond, and it will disperse. Safe for recreational and farm ponds, livestock, birds, pets, fish, wildlife and the environment.