Sulphate water type is antitoxic, antiseptic has respiratory affections and anti-dermatitis, essential in the fluids of joints, also sulphate water is used as purgative and laxative, when internally taking as drinking water, which is benefit for liver and gastrointestinal conditions.
Bicarbonate water type is essential for health. Bicarbonate water as drinking water is anti-acid and diuretic, enhance pancreas secretion which effects on gastrointestinal system and metabolic diseases . Chloride water type is essential for metabolism stimulation, (Mitija, 1999) .Penetrating of potassium ions with the mineralized water into body fluids assists in: normalize heart rhythms and blood pressure and Eliminate body toxins and promotes healthy skin.
Calcium and Magnesium ions are essential for living beings and not only for the formation of the hard part (bones, cartilages) and may cause cardiovascular diseases in high concentration rate. Calcium ion may regulate the growth of Epidermal Cell and the excess in concentration may be forms renal calculi.
Magnesium ions may treat and heal the skin from the acute dermatitis and also releases the Eclampsia pains, as well as converts blood sugar to energy and make protein from amino acid which maintains muscles and Hormones. High concentration of Mg may cause cardiac arrhythmia.
Be guided by the water quality standards for drinking... as well as food quality requirements. too much salts constitute health hazards in form of hypertension and stroke. Treat water and food specifically
Food and other intakes are main sources for required essential minerals to human body. Drinking water is not only the source in providing essential minerals to human body.
Water at present environmental conditions content some amount of minerals, therefore, no need to concern on minimum level of minerals. It is an important to drink pure water to maintain a good health.
TDS may high due to the pollution, therefore we cant get idea about low TDS good or bad for drinking.
For some elements it is possible, but for others is not, the supply of food is necessary, for example, the calcium in the water is only slightly absorbed by the intestine. In fact, the intake is mostly food (milk: 1.25 g / L, cheese: 1.5 to 10 g / kg, meat: 150 mg / kg, fish: 300 mg / kg, bread: 200 mg / kg, green vegetables and fruits: 400 mg / kg).
Total dissolved solids are important for health purpose but it is more important to examine what constituents and their quantity present in water. For example water has good TDS but have E or MPN colloform bacteria. Or Fluoride or arsenic or many more.