hard water


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Related to hard water: water softener

hard water

[′härd ¦wȯd·ər]
(chemistry)
Water that contains certain salts, such as those of calcium or magnesium, which form insoluble deposits in boilers and form precipitates with soap.

hard water

Water containing solutions of mineral salts (sulfates of calcium and magnesium, carbonates, and bicarbonates). Also see water softener.
References in periodicals archive ?
Calcium and magnesium are the most important minerals in hard water.
This unique combination inhibits scale and corrosion caused by hard water by sequestering or "tying up" calcium and magnesium.
The advantage of Oasis is that while softening water it retains the benefits of calcium which occurs naturally in hard water.
Epidemiologic studies have indicated that people who drink soft water -- low in minerals such as magnesium and calcium -- average more heart attacks and strokes than those drinking mineral-rich hard water (SN: 9/21/85, p.
CHICAGO -- The results of a recent Water Quality Research Foundation (WQRF) study1 reinforced what consumers with hard water problems have known for years: that soft water is good.
The water softeners are immediately available for those who are dealing with any number of issues resulting from the presence of hard water.
The machine has other features like a closed cell, jet ice making system that contains the water in the ice making process, thus minimizing cleaning and potential bacteria build-up and bespoke water filters that advance water quality by removing discolouration, odour and treat hard water.
In this episode, Sara Shenoha of Morton Salt, will explain how to detect hard water in your home, how to soften your water, and the benefits of soft water.
Soft Scrub TOTAL Bath & Bowl cleans and deodorizes the entire bathroom, powering through soap scum, lime scale, calcium, and hard water.
A spokeswoman for Northumbrian Water said just 5pc of the supply to people in the North-East region was hard water.
Homeowners irked by hard water will instead have to install softeners with exchange tanks that do not discharge into the sewers, or face a misdemeanor charge and $1,000 fine or 30 days in jail, Heil said.
Archon washdown stations provide steam-heated hot water cheaply and efficiently and have safety features allowing them to be used with minimal maintenance, even in hard water areas.