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Old 03-20-2016, 07:33 PM   #11
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Join Date: Oct 2012
Location: Oriental, NC
Posts: 48
The white buildup I found on mine is Calcium buildup in the threads which were previously exposed to the tank water. I cleaned some of it out, but like everyone has said, the anode won't thread all the way in. I use teflon tape to seal and never leak a drop.

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Old 03-22-2016, 03:27 PM   #12
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Join Date: Jul 2011
Location: New York
Posts: 323
As for the "white substance" it is most likely calcium from the water, and if it has became hard, the only way to properly clean it out is with a pipe tap, that will re-thread the threads and also clean out the pipe dope and the calcium build up in the back threads.
I have had a tap for this purpose for many years and every spring just run the tap up the treads and i am good to go with a new anode rod.
Hope this helps and Happy camping

2010 Cedar Creek Silverback 35ts
2001 GMC 2500HD w/ Allison & 8.1
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