1. Reverse osmosis (RO) water purifier is the best solution for treating hard water
2. RO water purifier removes toxin such as lead, mercury, Fluoride, Arsenic, Chlorine which case human body to be ill.
3. RO water filter is great for removing commonly found Cryptosporidium in lake, river and public supply water.
4. For example Pureit marvella slim RO is one of the best RO water purifier.