Domestic water softeners are used where there is a prevalence of hard water. Depending on where you live will dictate whether you need a water softener as water softness / water hardness, varies throughout the UK.  Usin... Water Softeners

Reverse Osmosis is most commonly known for its use in drinking water purification

Taste your water. Is it delicious?  If not it is likely that there an arra... Reverse Osmosis