A powerful, eco-friendly problem solver that is ideal for quick treatment of dead algae, biofilm and algae membranes, oil, gas, chemical contamination, pollutants, organic contamination (tannins, pollen), heavy bather wastes, animal waste and heavy odours. Contains a powerful natural enzyme/botanical blend with an organic polymer clarifier. Cleanse the filter as it cleans the pool. A natural alternative to flocculants with no wasted water, no water discharge or water balance issues. Easy to use, just pour it in.