Question

why some wells or tube wells have hard water?​

Answer 1

Explanation:

wells or tube wells have hard water because. the contains ground water.

Often, ground water sources like bore wells, tube wells, hand-pumps and wells have high amounts of dissolved impurities and minerals. This is because water is a universal solvent and absorbs these substances as it travels through the earth crust & beneath the ground

Answer 2

Answer:

Some wells and tudewells have hard water because it has salts of magnesium and calcium.