Neal Posted June 28, 2015 Share Posted June 28, 2015 We are new to motorhomes and are in our "try before we buy" phase. Our first one was a Chausson and the most recent was a large Swift 444. I'm sure the Chasson when flushed, automatically added the blue chemical at the same time, the Swift flushed only with water. What is the norm? Thanks, Neal Link to comment Share on other sites More sharing options...
david lloyd Posted June 28, 2015 Share Posted June 28, 2015 Hi Neal All Motorhome toilets will have a holding tank (the cassette) in which you put a dose of the blue (sometimes green) fluid and which holds all the waste. They also have a means of flushing, usually electric but can be manual, and this water in some vehicles I'd drawn direct from the same fresh watervtank that your other water needs come from. In this case you cannot put any additive in as the water is used for consumption. In some vans there is a separate flush water tank that has to be filled separately from the normal water tank and therefore can have an additive (usually pink in colour) which acts as a deodoriser when flushing the loo. David Link to comment Share on other sites More sharing options...
Rayjsj Posted June 28, 2015 Share Posted June 28, 2015 Hello Neal, no cassette toilet adds 'the blue' automatically (be nice if they did !) no,sorry but you have to add that yourself, the flush,as has been said, comes either from the main water tank, and will be plain water, or from a seperate tank in the toilet assy. which you can add special 'pink additive' to,to make it smell nice and to lubricate the cassette seals (so they say !). Just part of the 'learning curve'. Enjoy it as part of the adventure. Ray Link to comment Share on other sites More sharing options...
Steve928 Posted June 28, 2015 Share Posted June 28, 2015 But of course, if you have a separate flush tank, you're not bound to add only 'pink' to the flush water and 'blue' to the cassette. You can instead add 'blue' to the flush water as both a flush perfume and a tank treatment, which we often do, and may explain what you experienced in your Chausson. Link to comment Share on other sites More sharing options...
Neal Posted August 27, 2015 Author Share Posted August 27, 2015 Thanks for all the replies, all makes sense. Link to comment Share on other sites More sharing options...
keninpalamos Posted August 27, 2015 Share Posted August 27, 2015 And then there is the SOG modification, which draws air down through the toilet bowl via a small electric fan when the cassette valve is open then out through the cassette storage door through a carbon filter to "reduce" any unpleasantness shall we say. SOG say that no chemicals are required. If your cassette is not kept clean the bacteria can build up and you will become unpopular if on a campsite or in close proximity to others but it will reduce visitors :-S So keep the cassette and the carbon filter clean and a SOG is worth having. The down side is that I wouldn't move with the cassette full and if you have to remove the pipe and fit the plug...or one way valve. Link to comment Share on other sites More sharing options...
Derek Uzzell Posted August 28, 2015 Share Posted August 28, 2015 keninpalamos There’s no doubt that when a SOG kit is fitted to certain Thetford toilets there’s a real risk that, if the motorhome is driven with the toilet-cassette full, the waste inside the cassette may travel up the SOG ventilation hose and find its way into the fan-unit. And this risk increases if the fan-unit is mounted low on the cassette-locker door. So your practice of detaching the hose from the full cassette and sealing the cassette with the appropriate plug is a wise move. But what’s this “one way valve”, please? Link to comment Share on other sites More sharing options...
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