High calcium hardness in water can cause cloudy water and leave a white film along the waterline. This is often caused by high concentration of minerals, such as calcium, in your water source and can manifest if you have hard water. To counter high calcium hardness, flaunt a good balance between calcium and alkalinity levels and use a chelating agent.
Cloudy water can be distressing for any pool owner. If you notice the cloudiness, check your chemical readings, take note of usage and environmental factors, and test your water hardness – to identify the potential source of your problem and take corrective measures to restore optimal water condition. With these tips, you can keep your pool safe and clear all season long.