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  • 4 months later...


So basically its a fan to draw air in through the toilet flap and exhaust it through a carbon filter.


Lots of posts on here over the years from people who have said that a reasonably well vented pumpout tank doesn't actually need any chemical, and others who prefer to use yeast rather than blue.

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We just use Asda smartprice bio washing liquid in our cassette. No smell, no blue chemicals, cheap and works fine. Been trying various bio liquids over the last few years and this works the best.

The SOG needs an external vent so is a non starter for us.

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This seems...gimmicky? And even if it does work to stop smells when in use, surely the smell of emptying a totally untreated cassette is only for the brave?

Bad if you have a hangover I would think.

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