Most people assume that if their water looks clear and smells fine, it is safe to drink. But water quality is beyond just its appearance. Contaminants, acidity, excess minerals, and chemical residues can all affect your body silently, and the signs often show up not in your glass but in your health. Here are five key warning signals that your drinking water may be working against you, and how an alkaline water ionizer machine in Hyderabad can turn that around.