Finerfilters Salt Free Water Softener Alternative - Limescale Prevention20" x 4.5" Jumbo Replacement Cartridge Hard water is naturally occurring, but the scale it leaves behind can have a very detrimental impact on the efficiency and life of your plumbing and appliances, such as heaters and boilers, as well as inhibiting the formation of soap suds, meaning you use more detergents and soap when washing clothes or bathing. Although traditional salt-based water softener systems do remove the minerals which are attributed to limescale build-up, they also remove the minerals that are essential and healthy for us such as calcium & magnesium and leave behind large amounts of sodium which means your incoming water supply is now undrinkable. This is usually remedied by creating two water feed lines, one salt softener treated line and one untreated line. This means more work for your plumber, increasing the cost of installing the system which you likely paid a lot of money for already.Not only