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It means you have a high concentration of iron or hydrogen sulphide in your water. HOW LONG IS IT since you cleaned out your water heater - a few years, I'd bet. You should clean it soon as a first step in getting rid of this odour.- -

You first turn OFF the power to tank, then attach a hose pipe to the bottom fitting, lead it outside or to any drain, turn on the valve by it, turn OFF your inlet valve and open the relief valve so air can enter the H/W tank.Let the whole tank empty -takes about 30 -40 minutes. Next, when empty turn ON the inlet valve and let cold water run through the tank and out the hose, now you will see the sludge coming out. Let this run 5-7 minutes or until water is coming through clean. Now you are done . Let it fill, then turn on power.

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12y ago

What else can I help you with?