Pond Keeper - Blue Pond Dye /32 ounce. PROFESSIONAL STRENGTH

Pond Keeper - Blue Pond Dye - PROFESSIONAL STRENGH Pond Dye helps to filter out sunlight and create a more aesthetically pleasing appearance to the pond water, by offering a "natural blue" look. It will not stain birds, fish or plants when applied at the recommended rates. It is non-toxic and is compatible with most aquatic herbicides and algaecides. For best results, this product should be used with beneficial bacteria to ensure a clean and healthy pond all season long.