Do you in a stonelike water area and suffer from linden tree scale on sinks, faucets and showers ? . This because your water supply contains dissolved magnesium, calcium, manganese compounds which appear as difficult calcium hydroxide scale. They into difficult deposits settling on the surfaces of sinks, faucets, pipes and inside appliances, creating restrictions and greatly reducing the efficiency of water heaters and furnaces. Eddy is easy for anyone to fit , NO plumbing changes, does not require any salt and costs a fraction of the price of a conventional salt-fed water chemical. Eddy a complex electro-magnetic wave which is applied through two coils placed round your incoming water supply pipe. In this way your water is to an ever ever-changing attraction field as it passes through the coils. This the adhesion properties of the limescale so that it no longer deposits itself on your clean surfaces, inside pipework and appliances. does NOT alter the chemic hardness -LRB- TDS -RRB- of the water so the good effects of the calcium and other particulates is retained - for example, calcium has been shown in learned profession tests to reduce incidence of heart disease. Eddy has been successfully intercontinental in thousands of homes and businesses for complete 15 years, is highly economic and in most cases represents an easy eco-friendly alternate to salt-based water softeners. It is on all types of water pipe -LRB- except Pb and iron -RRB- and is the lone descaler to come with a riskless, no-quibble 12 month money-back guarantee and a Lifetime repair or replace guarantee. Thousands have been for use in homes and businesses. with confidence. with standard cables for pipe diameters up to 1.5 inches. For larger pipes see Eddy ` Coil Set C ' on our Amazon Storefront. NOTE REGARDING MONEY-BACK WARRANTY : To avoid Amazon 20 % restock fee after 30 days, please contact us to arrange returns so that your money can be refunded in full .