Daily Mail journalists select and curate the products that feature on our site. If you make a purchase via links on this page we will earn commission - learn more As well testing everyday use of each ...

When I worked as a lifeguard, there was one chore that we had to complete without question every day – testing the pool water. Beyond keeping the pool clean, this simple test also ensured the water ...

Add diluted granular chlorine or non-chlorine pool shock according to package directions, typically one pound per 10,000 gallons of pool water. This treatment removes contaminants that could cause ...