RoadTripper2084 Posted October 15, 2021 Share Posted October 15, 2021 My new-new-to-me 1997 Dynasty has signs that it has been used long-term with a very rusty fresh water source. The toilet bowl has rust streaks from the water outlet ports, and when I was winterizing it and removed the water filter canisters in the water bay, they had rusty water at the bottom of them. They are also completely covered in rust that doesn't wash off, though they are plastic (see attached). I can only assume that all the pipes, etc. are coated in this rust layer. I have seen no other signs of rust in the water when using water from our house in the tank. Water smells normal/fine, etc. Is this something I should be concerned about? Can I just ignore it if it's not producing rusty water at the taps, etc.? Should I use the filter canisters with filters or replace them? Link to comment Share on other sites More sharing options...
DavidL Posted October 15, 2021 Share Posted October 15, 2021 (edited) I would take the filter cartridges out, sanitize the system, run lots of fresh water through the system, clean the plumbing parts, drain all again, put new filters in and use the fresh water system. Reverse flush the grey and black tanks and put some treatment and fresh water in the tanks. 25 years old...I am sure you got a good deal on it. Edited October 15, 2021 by DavidL Link to comment Share on other sites More sharing options...
Dr4Film Posted October 15, 2021 Share Posted October 15, 2021 It It's obvious that some previous owner was using shore water or well water that was laden with iron and did not treat for it before the water entered the coach. You may want to try some of the Iron Out to see if that helps clean it up somewhat. https://tinyurl.com/2dd5ssxj Link to comment Share on other sites More sharing options...
RoadTripper2084 Posted October 15, 2021 Author Share Posted October 15, 2021 Thanks for the advice. Unit is winterized now but in the spring I think I will add a good dose of Iron Out (the stuff for plumbing/water softeners: https://www.amazon.com/dp/B00103XAQC/ref=emc_b_5_t?th=1) to the fresh tank and run it through all the pipes and fixtures when I am sanitizing it and see what that does. Honestly, the water I put in it seemed fine, it was only when I opened the filter canister that I noticed the rust. Link to comment Share on other sites More sharing options...
dandick66 Posted October 16, 2021 Share Posted October 16, 2021 Like Richard said, it was/is from high iron content in the water supply. You can try soaking the filter canisters in a vinegar and water solution to remove the iron stains. Put new filter cartridges in and you should be good. As far as the toilet stains, you can try vinegar or CLR. Dan D Link to comment Share on other sites More sharing options...
Ivylog Posted October 16, 2021 Share Posted October 16, 2021 No need to take your iron pills anymore. Having grown up on well water with a high iron content, it’s must be cosmetic as I’m still here decades later plus we’ve always drank the water out of our various RV’s tanks. Link to comment Share on other sites More sharing options...
DavidL Posted October 18, 2021 Share Posted October 18, 2021 On 10/16/2021 at 8:40 AM, Ivylog said: No need to take your iron pills anymore. Having grown up on well water with a high iron content, it’s must be cosmetic as I’m still here decades later plus we’ve always drank the water out of our various RV’s tanks. Including the Grey and Black tanks? 😉 Link to comment Share on other sites More sharing options...
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