Your safe and easy choice for Pond Clarity, It`s the original and perhaps the best water clarifier on the market, Helps to keep aquarium water crystal clear, It clears cloudy and polluted water within hours of application, Helps to improve filter efficiency and combat the harmful effects of overfeeding, Safe for freshwater fish and plants, Made from organic extracts from renewable, natural resources, Does not effect beneficial nitrifying bacteria, SKU: RPS12700