Test water pH with a reliable test kit, adjust pH to 7.2 or greater. For highly turbid pool water, turn off pump and dispense approximately 4 oz. of this product per 5,000 gallons of water evenly over the water surface and then immediately brush pool walls and step. Wait 24-72 hours to allow organic and inorganic particles to settle to pool floor.
Cartridge Filter Pools:
With the pool pump off, remove filter element and then reassemble filter canister. Prepare to manually vacuum pool to waste. Turn pool pump on and slowly vacuum pool until heavy sediment is removed. Turn pump off, reinstall filter element and then resume filtering until pool is clear and free of sediment.
Sand and D.E. Filter Pools:
With the pool pimp off, prepare to manually vacuum pool to waste. Turn pool pump on and slowly vacuum pool until heavy sediment is removed then resume normal filter operation for at least 24 hours. Monitor pressure on pool filter and if pressure exceeds your normal operating pressure, backwash filter and then resume filtering until pool is clear and free of sediment.