How much water clarifier do I need to put ? Add 0.5 L-1L of water clarifier per 10,000 gallons of water, depending on the extent of water cloudiness. Run pump to 2 hours, then wait for the clumps to settle before vacuuming the clumps away. How it works? The flocculant will clump together particles in the water and sink to the pool floor for ease of vacuuming
