Through the use of coral in gold several diseases can be warded off, particularly tropical fevers, chicken pox, jaundice, fistula, impotency and ailments pertaining to blood, particularly impure blood.
The goal of shocking your pool is to raise the free chlorine level of your pool water to roughly 10 times the combined chlorine level of your pool water.
How often is the water in a swimming pool completely changed? Answer Wiki. In general the pool water change frequency varies from 2 months to as long as five years in some cases. The pH level in the water is usually maintained at around 7.2 to 7.6 to have a pleasant experience and avoid any irritation of skin.