Kent Marine Pro Clear Freshwater for Aquarium, 16-Ounce Bottles (3 Pack) 3 Pack of Kent Marine Pro Clear Freshwater for Aquarium, 16-Ounce Bottles The Kent marine pro-clear freshwater treatment helps control murky and cloudy water This formula is safe for all freshwater fish and plants and contains no phosphates, nitrates, or silicates This conditioner also helps clear the water to give your pets good health