: My hot water is looking brownish in color all of a sudden. The cold water is ok nice and clear. The hot water tank is not leaking from the bottom but is there something wrong with the tank inside. Its at least 11 years old

It sounds like the tank is now rusting from the inside. Replacing the anode rod will prolong water heater life, or since the water heater is eleven years old, you might want to consider replacement. Terry

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