Pond Biologics Blue Wing 4X Super Strength Blue Pond Dye waterfall installation Moving large volumes of warm Select Color Options:Ruby & Gold Moving large volumes of warm bottom water to the surface preventing ice from forming these Deicers from Kasco Marine create an ice free area of protection around your boat ice formation is eliminated or greatly limited reducing damage to infrastructure as well as assisting aquatic life and migrating waterfowl by maintaining open water and a high level of dissolved oxygen exchange This powerful pond dye concentrate is stronger than any competitor's one gallon product or quart concentrate available on the market today or until the desired color is obtained