Thetford Flush Problem.
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Taurian
mcalid
6 posters
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Thetford Flush Problem.
The water in the Thetford flush tank of my Nuevo 2008 is contaminated with a black mouldy-looking growth which I can't seem to shift.
I use the pink chemical with every fill and I have drained the tank and filled it with bleach but it still persists.
Any suggestions?
I use the pink chemical with every fill and I have drained the tank and filled it with bleach but it still persists.
Any suggestions?
mcalid- Donator
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Posts : 126
Joined : 2017-12-20
Location : Fife
Auto-Sleeper : Nuevo
Vehicle Year : 2008
Re: Thetford Flush Problem.
This is a common problem I'm afraid when using certain additives. I had a similar problem and I think I used Puriclean to get rid of the black mould. You may have to flush it a few times for it to be eradicated but it will go eventually. I use Elsan Organic liquid in my flush tank (30ml per 10 litres) and have not had a problem since. I used to get black bits in the flush when I used the Thetford pink rinse. Dont use bleach any more as i dont think the seals like it ! Let us know how you get on.
Taurian- Member
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Posts : 258
Joined : 2014-07-09
Member Age : 76
Location : Northwold, Norfolk
Auto-Sleeper : Clubman Anniversary
Vehicle Year : 2003
Re: Thetford Flush Problem.
It's not mould, it's the pink stuff building up on surfaces as the water level reduces and the water evaporates of the sides and other parts of the tank. Movement of the van and the water inside the cistern then cause flakes to break away. The answer is to not use an additive but it will take a while for it to disappear. Some folk use a spray bottle with a diluted pink mix in after flushing the toilet, that has the same deodorising effect.
steamdrivenandy- Member
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Location : On the very edge of N Staffs
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Re: Thetford Flush Problem.
Yes - it's a well documented problem with the pink stuff.
Not really a problem however, as it won't harm anything.
One suggestion was to use the Elsan Green fluid and put a drop of that in the flush tank as well as in the cassette. There's one which actually smells quite nice and fresh (unlike the Thetford blue stuff!) and that would seem like a good solution to me?
I think it's this one, if it helps. [You must be registered and logged in to see this link.]
Dave
P.S. Just seen Al's post. I should have said we do the same as he does. We're not too bothered about fragrant flushing, so just plain water in the flush tank. Can't go wrong then.
Not really a problem however, as it won't harm anything.
One suggestion was to use the Elsan Green fluid and put a drop of that in the flush tank as well as in the cassette. There's one which actually smells quite nice and fresh (unlike the Thetford blue stuff!) and that would seem like a good solution to me?
I think it's this one, if it helps. [You must be registered and logged in to see this link.]
Dave
P.S. Just seen Al's post. I should have said we do the same as he does. We're not too bothered about fragrant flushing, so just plain water in the flush tank. Can't go wrong then.
Last edited by Gromit on Wed Aug 07, 2019 9:54 am; edited 1 time in total
Gromit- Donator
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Posts : 7265
Joined : 2015-03-11
Member Age : 80
Location : Worcestershire
Auto-Sleeper : Nuevo EK LP
Vehicle Year : 2015
Re: Thetford Flush Problem.
The answer is not to use anything other than plain water in the flush tank. Some motor homes don't have a separate flush tank, the flush comes from the main water tank, and there's no chemicals in that.
We've used plain water for six years now, pump is original, still works perfectly, and no black bits.
Al.
We've used plain water for six years now, pump is original, still works perfectly, and no black bits.
Al.
bikeralw- Donator
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Posts : 3809
Joined : 2013-04-22
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Location : High Peak & New Zealand.
Auto-Sleeper : Nuevo
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Re: Thetford Flush Problem.
Our toilet is fed from the fresh water tank too, so no additives possible. They're not obligatory.
steamdrivenandy- Member
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Posts : 1842
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Member Age : 76
Location : On the very edge of N Staffs
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Re: Thetford Flush Problem.
Use a liquid bio washing machine liquid in the flush tank. No mould plus it keeps the cassette seals and flap clean. I use Aldi because it's cheap. I now have a tank fed flush so I just squirt a bit round the bowl every time I empty the cassette. You don't need any other chemical's in the cassette.
woodlice- Member
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Location : essex
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