This product kit will allow you to recover your green water in record time, 12 HOURS. Rapid recovery of green water, elimination of algae and bacteria in approximately 5 hours and then clarification of the water in approximately another 7 hours. In a total of 12 hours* after using the kit the user will be able to enjoy their pool free of algae and clear. It does not increase the Stabiliser level and activates the chlorine even if the water has high levels of Cyanuric Acid.