DIRECTIONS FOR USE AND DOSAGE: Adjust the pH of the water between 7.2 and 7.6. Dissolve the recommended doses of this product in 1 or 2 liters of water to distribute it better in the pool water. Do not mix it with other chemical products. Perform the treatment preferably dusk, with the pool out of use. Initial treatment: 3 tablespoons large rasas (30 / 35gr) every 1000 L. Maintenance: Daily a small spoonful rasa (6 / 7gr) every 1000 liters. Free chlorine 0.5-1.5mg / l.