It looks clean, it looks sparkling, a backyard pool is supposed to be the place to cool off on a summer day. But how do you know it's safe for your kids to jump in? Anyone who owns a pool knows the ...

A common cause of cloudy water is a filter that is turned off too often or clogged with debris. Run the filter for at least 24–48 hours straight to trap tiny particles. Check and backwash the filter ...