Boiler water is required to be tested due to following reasons -

▪ To prevent scale formation in the boiler and feed water system
▪ To prevent corrosion in the boiler and feed water system
▪ To control sludge formation and prevention of carry out with steam
▪ To get better efficiency of boiler
▪ To maintain clean and scale free heat transfer
▪ To reduce the total dissolves solids
▪ To prevent formation of deposits in steam condenser system
▪ To prevent metal loss due to corrosion