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  1. #1
    Join Date
    Feb 2015
    Location
    Conwy
    Posts
    1,828

    Default Rydlyme flush on KAD42's

    If anyone has descaled their 42's how many litres of Rydlyme mix was required per engine. (raw water)

    Any tips or gotcha's to be wary of?

    Thanks in advance.

  2. #2
    Join Date
    Oct 2008
    Location
    New Forest
    Posts
    1,733

    Default Re: Rydlyme flush on KAD42's

    When I did our 44s I used 10 litres of rydlyme , but used it neat as there will be a certain amount of water left in the system unless you totally drain down . I just used a bilge pump and container in reverse direction from the exhaust elbow to the water pump outlet . Flush out the seawater first BTW .

    Forgot to say 10 litres for both engines

  3. #3
    Join Date
    Jul 2007
    Posts
    7,829

    Default Re: Rydlyme flush on KAD42's

    Up to 30% works fine apparently. 2-4 hours reverse flush should suffice. Worked well on my TAMD40b's

  4. #4
    Join Date
    Feb 2015
    Location
    Conwy
    Posts
    1,828

    Default Re: Rydlyme flush on KAD42's

    Thanks for the info hadn't considered reverse flush, it makes sense.

  5. #5
    Join Date
    Jul 2007
    Posts
    7,829

    Default Re: Rydlyme flush on KAD42's

    I dumped it into the bilge, and set up an inline 12v pump to run it through continually!

    Like a little water feature it was...I was sad to connect it all up again

  6. #6
    Join Date
    Aug 2009
    Location
    Titchmarsh Marina
    Posts
    364

    Default Re: Rydlyme flush on KAD42's

    I bought 20 litres of Rydlyme and diluted it 50% with water. I used 10 litres per engine.

    I have 20 litres of diluted Rydlyme left for next time.
    It all started with a rowing boat......

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