Achieving And maintaining/preserving/keeping crystal-clear pool water requires more than just sweeping/skimming/cleaning the surface. A crucial aspect of pool ownership is understanding and adjusting/balancing/regulating the water chemistry. This involves carefully monitoring and correcting/modifying/altering levels of key elements like pH, alkalinity, chlorine, and calcium hardness. ... https://www.hammerhead-aquatics.com/blogs/pool-water-testing-guide