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Old 03-09-2019, 03:18 PM   #1
Join Date: Feb 2016
Location: Gainesville, GA
Posts: 42
Odd reappearing stain

There is a white colored stain that keeps reappearing at the base of the toilet where it is joined to the floor. Had the same issue last summer and my service tech said it was the seal deteriorating and replaced the seal but it is back now. It's not wet at all so there's no water leaking. I can clean it off but it comes back after a few days. Can't imagine the new seal would go bad so quickly. Any ideas?


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Old 03-10-2019, 11:42 AM   #2
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It could be a type of mold growing, try spraying it with a solution of vinegar and water.

2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG retired;Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
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Old 03-10-2019, 12:47 PM   #3
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RV Toilet floor flange seals are foam and black or grey....think your 'tech' was grasping at straws.

Toilet base plastic......could be the plastic is leeching causing the stain
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Old 03-10-2019, 04:47 PM   #4
Join Date: Feb 2016
Location: Gainesville, GA
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Both good ideas. I'll try the vinegar and see if it comes back. The base is plastic so maybe it is time for a replacement. I'll see what my service center thinks when I get back home. They have been really good for all repairs but anyone can make a mistake.
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