Water is a universal solvent. Given enough time water will dissolve most metals or minerals into solution.
Calcium hardness in pool water is an important water balance characteristic, water that has to little calcium in the pool the water will pull calcium from the plaster of the pool surface.
Ideal range for calcium is 200-275ppm for concrete pools and 175-225 for vinyl, painted and fiberglass pools.
Stay tuned for more tips on how to manage calcium hardness in your pool.