Natures Pond DyeCLEANING WATER NATURE'S WAY Natures Pond Dye is made from an all natural blend of pigments and food grade dyes. Nature's Pond Dye helps filter out UV light which limits the growth of weeds and algae, it's like sunglasses for your pond! Features & Benefits: No Harsh Chemicals Enhances Water Color Safe for People, Pets, Livestock, Fish, & Wildlife Can be used with Nature's Pond Conditioner Effective & Affordable How much NP Dye do you need? 1 Gallon 4