Cleaning Cassettk

Discussion in 'Motorhome Chat' started by tinkering, May 26, 2015.

  1. tinkering

    tinkering Funster

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    the inside it the thetford cassette is beginning to look a tad iffy

    i had tried one of the bio prodouctfs with little success, it's been soaked in this solition for hours, then been given the large bottle brush treatment.

    My next plan of attack is a mild solition of industrial strength caustic soda.,

    soak for a hour them standing a safe distance blasting it with a Karkercher

    Any ideas please
     
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  2. PaulyP

    PaulyP Funster

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    Only thing I can think is make sure you don't damage any seals.
     
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  3. DiggerJon

    DiggerJon Funster

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    I found using the stuff that cleans and sterilises wine making and beer brewing kit quite effective - trade name is Chempro SDP but you used to be able to get an equivalent in most Wilkinson stores or home brew suppliers.
     
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  4. magicsurfbus

    magicsurfbus Funster

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    I steam clean mine by pouring boiling water and detergent in, closing all its orifices and giving it a good shake. There are enough small gaps for the steam to get out.

    You might get a result with some low grade Cola - Sainsbury's Basics at 10p a litre strips metal.
     
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  5. mike mcglynn

    mike mcglynn Funster Life Member

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    Try some thetford toilet cleaner its made for the job , dont forget the seals are rubber and may deform with boiling water and dont shake too violently you may dislodge the internal mechanism .
     
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  6. Wildbill

    Wildbill Funster

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    use calgone the stuff you use in washing machine stick some water in till nearly full drop three tabs in and levee for three days
    .if you can drive around with it even better
    bill
     
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  7. trophychap

    trophychap Funster

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    Thetford Cassette cleaner? Gets all the scale off. Then afterwards use biological washing liquid instead of Loo Blue and you won't get any great build-up.

    White vinegar might do it, but I've never tried it.
     
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  8. JockandRita

    JockandRita Funster Life Member

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    Cheap white vinegar in 4ltr containers from a cash & carry. Also does showerheads and kettles, etc, which suffer from limescale/calcium build up.

    Also good for descaling your stainless steel Truma boiler. (see instruction manual).

    Cheers,

    Jock.
     
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  9. JockandRita

    JockandRita Funster Life Member

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    It didn't with mine, and it was in there more than 24hrs. :(

    Cheers,

    Jock.
     
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  10. JJ

    JJ Funster

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    Vinegar.

    JJ :cool:
     
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  11. MikeandCarolyn

    MikeandCarolyn Read Only Funster

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    We have 2 cassettes (y) each one has been done with Thetfords stuff once a year and are both fine-I also lubricate seals once a yr with Thetfords lubricant
     
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  12. magicsurfbus

    magicsurfbus Funster

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    I find that one of the best ways to deform the seals is to leave the cartridge fully shut when the MH isn't in use. My first seal went very quickly, whereas my second one has lasted 8 years.
     
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  13. jonandshell

    jonandshell Funster

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    Our two 5 year old cassettes are spotless inside.
    I put it down to the use of biological washing liquid rather than the Thetford fluid.:)
     
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  14. Wyaye wires

    Wyaye wires

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    A toothbrush and one's Memsahib...



    Of course if you still have servants...



    A good riding crop until they've got it spotless!!!
     
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  15. icantremember

    icantremember Funster

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    Get someone with a small hand and a toothbrush to get their arm in there!:eek:

    Ww beat me to it:doh:
     
  16. vwalan

    vwalan Funster

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  17. tinkering

    tinkering Funster

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    Thanks all,
    I'm trying some soda at the moment,it seems to be bleaching the scale but as yet has not moved it
     
  18. Wildbill

    Wildbill Funster

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    Soda wont shift it as it is alkali just like lime scale.
    You need acid vinegar even cheep cola but calgone will do the job I do my drains tanks and bog with it works a treat
    bill
     
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  19. JJ

    JJ Funster

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    As mentioned in the one word post above!

    JJ :cool:
     
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  20. Wildbill

    Wildbill Funster

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    sorry jj missed that one:doh:
     
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