| TEST | IDEAL RANGE | IF BELOW IDEAL RANGE | IF ABOVE IDEAL RANGE |
| Free Available Chlorine | 1-3 ppm | Use Azure 1" or 3" Chlorinating Tablets, Skimmer Sticks or Multi-functional Chlorinating Granules Dangers:Low chlorine can allow bacteria to multiply and spread between swimmers. Water can become cloudy, algae can begin to grow. |
Leave pool uncovered with water circulating until Free Available Chlorine level drops below 3 ppm. Dangers: High chlorine may cause skin irritation, bleaching of clothes and hair, and bodily injury. Swimmers should not use pool until chlorine drops to ideal range. |