Thanks for ALL the replies... most helpful!
99+% of odor seems to be removed... a combination of white vinegar washing, followed by 50% Clorox and distilled water washing, allowing it to air-dry. Then charcoal.
Many types of plastic (remember "The Graduate"-1967?) will be waterproof, but not vapor-proof... strong odors will "gas" thru the material. Pick up a bottle of this holding tank crap at a RV dealer and smell it.
We've used the Geo Method for holding tank treatment for 15 years, in various 5th wheel RV and a recent truck-camper RV. It has been very successful for us, although I understand there are a multitude of holding-tank philosophies. The Geo Method has allowed us to avoid the odor of an active holding tank, and the retched stench of the various chemical additives.
Thanks again to all on the Forum... this is a GREAT meeting place. I hope Thor Industries monitors this site. Most people will agree that a company can put out small brush fires quickly, rather than ignore customers until a major conflagration occurs.
Jerry Webb
Reelsboro, NC
2017 Thor Axis 24.1
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