The team of researchers examined whether removing the calcium and magnesium ions using an ion-exchange water softener could mitigate the negative effects of hard water
on the skin.
Waterhardness: Prepared various hard waters
were first cheked using EDTA and K2Cr2O7 titrations  for Ca/Mg and Fe concentration respectively, then applied for further work.
16,20 Keeping in view the importance of both hair and hard water
and their regular interaction with each other during bathing, washing etc.
By 7 d of silver exposure, silver accumulation in the algae occurred to a lesser extent in very soft water, as compared to the accumulation observed in soft and moderately hard water
Marcus: The minerals in hard water
can interfere with soap's ability to clean and to get foamy.
The impact of hard water
hits heavily on energy use and associated maintenance costs.
Premier's latest faucets use ceramic disc technology to deliver consistent performance and provide a lifetime of trouble-free operation, even in harsh hard water
The minerals in especially hard water
can clog it or attack the metal parts, resulting in valve failure.
It is due to hard water
in the Midlands, as not all comes from Wales.
Fillmore is in a peculiar situation because of the hard water
that comes from wells in the area and the ecological sensitivity of the Santa Clara River.
The copper content of most of the world's natural water supplies does not exceed more than a few milligrams per liter, although concentrations can be higher in well water and in hard water
delivered through newly installed copper pipes.
A spokeswoman for Northumbrian Water said just five per cent of the supply to people in the North East was hard water