EnviroDEFENSE D-Solv Clarifier is formulated to clarify brackish, murky pond water quickly. When used as directed pond water should clear and maintain a polished shine. EnviroDEFENSE D-Solv Clarifier contains a strong formula to rapidly return pond water to its natural translucence and removes nuisance elements that cause murky water. EnvironDEFENSE D-Solv Clarifier can be used on large lakes, small ponds, water features and even public fountains routinely to keep them clean and clear all year round.