KloudAway Freshwater Aquarium Water Clarifier - Clears Cloudy Water, Water Clarifier for Fish Tank, Made in USA, Aquatic Experts (250 ml)FAST ACTING KloudAway quickly clears cloudy or hazy aquarium water by CLUMPING FLOATING PARTICLES together making them large enough to be trapped by your aquariums' mechanical filter. To remove these particles from the water your aquarium must have a mechanical filter. CUTTING EDGE FORMULA Our advanced fish tank water clarifier is targeting unsightly particles in water such as uneaten fish food, dust and other debris to produce crystal clear water.