Sulphur smell & grey water


Old 04-18-00, 02:18 PM
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I purchased a house six months ago that has two water heaters, one for the original part of the house (15 years old) and one for the new addition (2 years old).

I immediately noticed from the original part of the house ('old house') that the water was a grey to black color and smelled awful of sulfur when using hot water (water is clear and odor-free when using cold). The 'new house' works fine. Water is clear and odor-free whether hot or cold. Also, water is from a public source, not a well.

I called a plumber who said the water heater was defective and replaced it (it was under home warranty so zero cost to us). Water is clear and odor-free for about a month. Now the problem has returned.

Does anyone have an idea what would cause the water to have a sulfur smell and a grey color only when hot??
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Old 04-19-00, 11:20 PM
Join Date: Mar 2000
Location: Arlington, WA
Posts: 9,238
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Got to be the hot water pipes in the old section of the house, or the pipe supplying the water heater. Have that checked out and replaced as needed.

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