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  • Liquid vs Powdered Descaling product?

    Hi all,

    I was thinking of descaling my Silvia and was in need of some descaling product. I've noticed there were both powdered and liquid forms but from the guides/videos I see online, they all seem to be using the powdered form. If there any reason for that?


    Cheers

    Paul

  • #2
    Originally posted by dlqkdnf89 View Post
    Hi all,

    I was thinking of descaling my Silvia and was in need of some descaling product. I've noticed there were both powdered and liquid forms but from the guides/videos I see online, they all seem to be using the powdered form. If there any reason for that?


    Cheers

    Paul
    hi there.

    If your silvia is performing well with no indications of a scale problem or blockage, why do it?

    The powdered form is cheaper over a period in multiple use. Which is nice where there is a requirement to descale often over a period, however many maintain that descaling (just for sake of it) is certainly not *needed*. Its only required if there is a hard water problem and appropriately conditioned water is not being used, and the machine is showing indications of having a "scale problem".

    Otherwise, a product that works out cheaper to use, in a situation where there may be no requirement to use it, presents rather an interesting conundrum.....!
    Last edited by TOK; 10 November 2014, 12:16 PM.

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    • #3
      Hiya TOK,

      The Silvia is performing well but the thing is when I backflush I've noticed the pump seemed to be struggling toward the 3rd/4th backflush which (very little water being pushed through the solenoid valve). My guess is there is a bit of scale built up in there hence the descale. Would you consider this to be an indication of a scale problem?


      Paul

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      • #4
        G'day Paul...

        When you say... "struggling toward the 3rd/4th backflush". Do you release the Group Handle between flushes or just continually backflush without removing it? If the latter, then with each backflush cycle, the blind filter basket fills up a little more (with water) decreasing the volume of air in the blind filter that can be compressed and thereby expunge the water explosively through the 3-Way Valve.

        Removing the Group Handle between backflush cycles is the best way to do this exercise because you can then inspect the contents in the blind filter each time as well, to see if further backflush cycles are needed.

        Mal.

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        • #5
          Hiya Mal,

          It's interesting you say that because yeah I do the latter, (backflush without removing group handle) but the result is actually the opposite for me. There is explosive expunging of water through the 3-way valve at the beginning of the flush and reduction in this power toward the end hence the "struggling toward the 3rd/4th backflush"... So would you just recommend taking the group handle out every time I backflush?


          Cheers

          Paul

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          • #6
            Originally posted by dlqkdnf89 View Post
            So would you just recommend taking the group handle out every time I backflush?
            G'day Paul...

            In a word - Yes. That is the preferred and recommended routine to follow when backflushing...

            Mal.

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            • #7
              Hiya Mal,

              Seems I've been backflushing differently ... Shall try this method next time I backflush! Also, should I be worried about what is happening with the 3-way valve? The only reason I'm bringing this up now is because before it was quite fine. There was only a slight marked reduction in expulsion of water by the 3rd/4th backflush but now it seems to be little to no water being expunged...


              Cheers

              Paul

              Comment


              • #8
                Goes back to what TOK was referring to above, in relation to the possibility of scale development.

                It may be possible that some scale is forming in some areas of your machine and depending on how old your machine is, how often it's used and the quality of the water you use in it, may be determining factors. Having said that though, descaling your machine in the standard (recommended) way may not adequately remove scale that has deposited within the 3-Way Valve ports.

                To clean that up properly requires that it be removed, disassembled, soaked in descaling solution, flushed thoroughly, reassembled and then refitted. If you're not comfortable doing this sort of thing, might be better to have your Silvia serviced at a reputable specialist service establishment, such as one of our Site Sponsors. Of course, they would go over the whole machine, not just a single component.

                Mal.

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