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. In this case, you may can: Use a flocculant to rid the pool of free-floating calcium carbonate. Vacuum the walls and floors of the pool, so the excess calcium carbonate particles are pulled into the pool filter. Backwash or clean out your pump filter. Drain a portion of your pool water and refill with fresh water. Dec 16, 2016 - That white, cloudy look is far from appealing, and not something you . If you find yourself with calcium levels over the 220 ppm, you can lower calcium hardness . A common product for increasing calcium hardness includes: . Alkalinity Increaser (Also known as Baking Soda or Sodium Bicarbonate/Sodium Bicarb) . While it has a minimal impact on pH (good), it will raise calcium hardness sanitizer (such as chlorine) however, which appeals to many pool owners. pH; Total Alkalinity; Calcium Hardness; Total Dissolved Solids; Disinfection of Pool . pH is the single most important element in swimming pool water chemistry. . If problems with low pH persist, it may be necessary to raise total alkalinity to . wastes than chlorine so it is particularly attractive for use in hot water spas. Raises calcium hardness in swimming pools - protecting pool surfaces from calcium loss. Helps prevent etching, protects pool equipment and controls pH . Sep 15, 2013 - Default Arizona pool with High Calcium Hardness and Cyanuric Acid . Trouble is it traps insect parts that make the pool surface less than attractive. I now use clorox . The calcium scaling can be softened by lowering the pH. During this time we will lower Calcium Hardness (CH), Total Dissolved Solids at Weber Pools we have a variety of different service options to appeal to you. In a pool or spa, we need to help nature achieve balance. . family and friends, but untreated or improperly treated water is not quite so appealing. . Acids lower the pH and Total Alkalinity so these two chemical components need to be adjusted together. . Both Total Alkalinity and Calcium Hardness need to be in balance.