I just installed a electric hot water heater about a month ago. I have well water with a lot of iron in it. Three days ago I cleaned out the water conditioner with RUST OUT and every was fine. Now the cold water is okay, but the hot water is turning black. How do I clear this up.

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Originally Posted by 178800184

I just installed a electric hot water heater about a month ago. I have well water with a lot of iron in it. Three days ago I cleaned out the water conditioner with RUST OUT and every was fine. Now the cold water is okay, but the hot water is turning black. How do I clear this up.

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By flushing the heater. Let me show you how. For long life and fewer troubles you should keep your heater clear of mineral build-up by flushing on a regular schedule. Attach a hose to the boiler drain at the bottom of the tank. With the pressure on, open the boiler drain and let it run until the water runs clear. You will see a spurt of red,(rust) followed by white or yellow grains,(lime or calcium carbonate). This shouldn't take more then a few minutes. Do this monthly to keep it clear. Now flush out your hot water lines on ALL fixtures that are affected . Now pull each aerator and clean the screens. Be sure you put them back togather the same way you took them out. Don't forget to flush it out every month. Your heater will thank you for it. Hope this helps, Tom