Granular form of chlorine for sanitising your swimming pool, spa or hot tubs and includes stabiliser to help prevent the destabilisation and destruction of the chlorine by sunlight and UV rays. Prolonging its usefulness as a sanitiser over other types of non-stabilised chlorine.
Maintain a chlorine level of between 2-3ppm residual chlorine in small or domestic pools and 3-5ppm in public or heavily used pools. For each ppm of chlorine increase required use 40g per 25,000 Litres of water.
Spas and Hot Tubs:
Maintain a chlorine level of between 2-4ppm in your spa or hot tub. Re-adjust the pH balance to between 7.2-7.6 for optimum bathing comfort. To increase free chlorine level by 2.5ppm, add 5 grams (a teaspoon). As an average you should need approx. 1 teaspoon per person using the spa or hot tub.
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