Disadvantages of hard water

Disadvantages of hard water in Domestic use :

• Washing :

When we use hard water as a washing purpose the using water does not lather freely with soap and it produces sticky precipitates of calcium and magnesium soaps. This cause wastage of a lot of shops is used. 

• Bathing : Bathing

Hard water does not lather freely with shop solution and produces sticky scum on the body.
Thus, cleansing quality of soap is depressed and lots of water is wasted too.

• Cooking :

Due to the presence of dissolved hardness, the boiling point of water is elevated and it producing slats. Therefore, more fuel and time are required for cooking.

• Drinking :

Hard water causes a bad effect on our digestive system and also the possibility of forming calcium oxalate crystals in urinary tracks is increased.

Disadvantages of hard water in Industrial use : 

• Textile industry :

Hard water cannot produce good quality of lathe. It precipitates of calcium and magnesium soaps adhere to the fabrics. These fabrics when dyed do not produce exact shades of colour.

• Sugar industry :

If hard water used in sugar refining it causes difficulties in the crystallization of sugar and the produced sugar may be deliquescent.

• Dyeing industry :

Because of the use of hard water which yields impure shades and gives spots on the fabrics being dyed.

• Laundry :

Hard water is used in laundry causes much of the soap used in washing and may even cause colouration of clothes.

• Concrete making :

It affects the hydration of cement and the final strength of the hardened concrete.

• Pharmaceutical industry : 

If hard water used for preparing pharmaceutical products like drugs or injection may produce certain undesirable products in them.

Disadvantages of hard water in steam generation in boilers :

If hard water directly fed into the boilers it may cause many troubles following below :

• Scale and sludge formation 
• Corrosion 
• Priming and foaming 
• Caustic embrittlement