Quote:
Originally Posted by jimmy o
Water heaters, gas and electric both should be flushed once a year. Easily done by opening valve at bottom of tank and running for a few minutes. The sludge that comes out is a combination of minerals and decaying anode rod. Replacing anode rod every 5 years is a great way to extend the life of your heater.
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Apparently you neglected to read the thread before replying.