In CR's tests, Tide performed best with the most liquid and pod formulas that fight off hard water's effects Procter & Gamble brands like Tide formulate detergents with water softeners and low pH ...

There are several factors that make this difficult. First, if you have even slightly hard water -- the cause of unsightly ...

The Standard's journalism is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. While it’s easy to change the shower line-up, changing ...

When you purchase through links on our site, we may earn an affiliate commission. London is famously a hard water area. It’s a badge of dishonour and leaves our kettles, sink sides and showers ...