Eddy Electronic Water Descaler - Water Softener Alternative 12 month 100% "no quibble" Money-Back Guarantee + Lifetime Repair or Replace warranty. Easy customer installation on metal or plastic pipes. Helps prevent build-up of lime scale and dissolve existing deposits. No salt alternative to a water softener. Emulates softened water without changing your water hardness. Retains healthy minerals in your water supply. Descales entire water system. Maintenance-free with great results up to and above 20 gpg. Environmentally friendly. No salt added to your water and users report great improvements to hair and skin. Please scroll down page to see full Product Description.