'Soft water is made soft by adding ions of this element that's abundant in seawater'
sodium
NOT HARD AT ALL: Soft water is made soft by adding ions of this element thats abundant in seawater
Soft water is made soft by adding ions of this element that's abundant in seawater
Soft water is made soft by adding ions of this element that's abundant in seawater
NOT HARD AT ALL
sodium
NOT HARD AT ALL