How Hard Should Bottled Water Be?
How Hard Should Bottled Water Be? Soft0 – 17.1 mg/l Moderately Hard60 -120mg/l Hard120 -180mg/l Very Hard180mg/l & over How do I know if my bottled water is safe? Safety. The Food and Drug Administration (FDA) set the standards for bottled water. They require manufacturers to process and transport bottled water under sanitary conditions and