In order to bring the calcium hardness into proper balance in your pool, there are a few steps you can take. Clean your pool. Balance your water chemistry. If your water hardness level is above 400 ppm, you will need to lower the calcium hardness level, if it is below 150 ppm, you will need to raise it. Jul 10, 2010 - My calcium hardness has been low this year. . I have a suspicious feeling that walmart will beat the prices at leslies for the calcium increaser. Jump to Why lower the pool water calcium hardness level? - 1 Why lower the pool water calcium hardness level? 2 Why is my pool . Jump to Why is my calcium hardness too low? - The most common cause of low calcium hardness is the introduction of water that has fewer . Calcium, often referred to as calcium hardness, is one of those chemicals that could . Low calcium levels in a plaster pool will cause the water to draw calcium . Sep 23, 2015 - Learn how to defeat calcium scaling in your swimming pool. . Lower the pH level of your pool's water, because pH can have a larger effect on . Mar 1, 2018 - How to Lower Calcium Hardness in Your Pool. Hard water (especially for those of us who live in the south east of England) is a well known . Jul 19, 2016 - . importance of tracking and balancing pool water for chlorine, calcium hardness, . an open sore—there is not enough sanitizer to defeat the pathogens. . If the pH level is too low, water can irritate swimmers' eyes and skin. Salt systems hit the market in a furry, years ago and numerous swimming pool . Well, as long as you keep your calcium hardness lower, your cyanuric acid . Increases Water Hardness; Increases Calcium Hardness level in Pool or Spa; Balanced Calcium level can prevent corrosive water; Prevents the staining or .