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Country Discussion Topics
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Hotwater Tank Anode, black sediment.?
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Spencer Greely    Posted 02-23-2001 at 09:20:12       [Reply]  [No Email]
I have sulpher water and my system is well
filtered with a rainfresh Whole House with carbon
just after the pump tank.
On occasion just when the tap is turned on,I get black sediment, maybe 1/2 teaspoon or less. I know this is being formed in the system and not from outside.
I'm also on a sears whole house softener.
Someone said to have the anode removed from
the electric hot water tank, and that will solve
the problem.
Just what is the black stuff and what exactly
is the reaction that is occuring.?


Jeyakumar    Posted 06-01-2004 at 19:19:10       [Reply]  [Send Email]
contact Ms. Vanajambika of Ti Anode Fabricators Pvt Ltd, India for your tech. calrification of water tank anode

Trapper    Posted 02-23-2001 at 11:15:33       [Reply]  [No Email]
I too have the same problem with sulpher and iron in the water. The stuff collects in the pipes, and flushes out when the bathtub gets filled,ie, high flow thru the pipes.

I use iron out in the water softener to help disolve iron build up in the brine tank.
Also, I just removed the anode rod in the top of my hot water tank.
The rod is sacrifical and disolves over time. This thing prevents rust from attacking the tank inside, extending the life of the tank.

Mike Taylor2    Posted 02-26-2001 at 16:55:25       [Reply]  [Send Email]
Trapper - If hot water tanks are glass lined, and the connecting pipes are copper, what's to rust?

A plumber once told me that the only difference between a 5 year warranty hot water tank and a 12 year warranty, was the length of the rod.

Never really understood the purpose of the rod in newer type hot water tanks.......

What makes a hot water tank crackle and pop?? Is that anything controlled by the rod? My 3 year old OA Smith tank (gas) is starting to make these noises.

Trapper    Posted 02-27-2001 at 04:06:33       [Reply]  [No Email]
As I understand it, the heater starts to rust around the edges of the glass in weak spots.
I don't know for sure, but I don't think the entire inside is glass lined, only the sides and top.
If you have an 3yr old AO Smith, there was a recall on the dip tude as it disintegrated on city water (chlorine). I just had mine replaced, but am on a well.
Also, you should flush your heater regulary to get rid of any sediment on the tank bottom.
I don't know what would cause a crackling sound. Sorry.

Mike Taylor    Posted 02-27-2001 at 08:55:04       [Reply]  [Send Email]
Also, how do you flush a hot water tank? Do you just shut off the water and let it drain? Or, do you have to blow water inside to dislodge the sediment?

Trapper    Posted 02-28-2001 at 06:04:34       [Reply]  [No Email]
Don't turn off the cold water supply.
There is a faucet handle on the side towards the bottom. Turn it off-on-off-on-off etc until it sounds like it's free flowing. It will be hot, so be careful and drain it into a basemnt floor drain, or another that's handy....

Mike Taylor    Posted 02-27-2001 at 08:52:07       [Reply]  [Send Email]
Trapper - How do I take advantage of the recall?? My hot water tank was purchased from the plumber that did the installation.

Trapper    Posted 02-28-2001 at 06:02:32       [Reply]  [No Email]
Call your local plumbing house and ask about the dip tube recall.

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