Extra Anti-algae of rapid action with microFloclating power that gives it a greater ability to prevent the appearance of suspension algae. Not sparkling.Dosage ::Initial treatment/Shock: 200ml by 50m3Treatment Maintenance: 50ml by 50m3 every 7 daysCharacteristics:Extra fast -acting Anti-algae with microFloculation power, which gives it greater ability to prevent the appearance of suspension algae. Not shining.Prevention is the best solution.Ideal for: all types of pools.Value Added: Concentrated maintenance product that, thanks to its great efficiency power, will allow you to keep the pool free of algae of all types. Concentrated Product: 10 weeks (0.5 L) / 20 weeks (1 L)Usage Tips: Add 200 ml by 50 m3. Then add 50 ml once a week.