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Thread: protein skimmer

  1. #1
    Member Rank = Nisai gt350's Avatar
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    protein skimmer

    Hi I have a 900 gallon indoor pond not heated.can I turn my protein skimmer off now over winter,or does it still need it on? thanks mark



  2. #2
    Extreme Koi Member Rank = Hassai 1meterchag's Avatar
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    On a pond that small I would leave it running !!!

  3. #3
    Extreme Koi Member Rank = Hassai TinyTony's Avatar
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    why turn it off ?

  4. #4
    Member Rank = Nisai gt350's Avatar
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    Thanks just thought if not needed turn it off.thanks for replies guys.

  5. #5
    Quote Originally Posted by gt350 View Post
    Thanks just thought if not needed turn it off.thanks for replies guys.
    Protein skimmer is helping to reduce DOC - or dissolved Organic Compounds in your pond water - this organic stuff (DOC) in fact serves as food for all bacteria in your pond - both good or bad - and while bio filter is substantially reducing it's water cleaning capability in colder temperatures due to slowing down metabolic rate of the good bacteria living in it - protein skimmer in contrary to it still continues to remove the DOC from the water passing through it - as it works on physio-chemical rather than biological principles - so it will continue to clean your water even at low temperatures - just try to insulate it well to avoid anything in it to freeze if such risk potentially exists - as well as to reduce the heat loss of the pond water - bubble wrapping it for example etc.

    Bottom line - less DOC in your water = less food for the potentially harmful bacteria = potentially less issues with overwintering your koi.

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  7. #6
    Member Rank = Nisai gt350's Avatar
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    interesting,thanks for your help.

  8. #7
    Extreme Koi Member Rank = Supreme Champion Davej's Avatar
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    If you are not heated and probably not feeding much over winter? then not sure there is great benefit in leaving the protein skimmer running..

    Just my take on things, I find that a PS is great when it has work to do but if there isn't an abundance of DOCs it contributes very little... I will certainly be turning my freshskim off when I stop feeding as I can save a few watts for three months..

    If you do turn it off make sure you drain it..

  9. #8
    Very good point Davej,

    After there would be negligible amount of foam generated there would not be much DOC left in the water - than no prob switching it off - I was just making the point, that contrary to biological filter protein skimmer does not loose much of it's performance at low temperatures - should be left on as long as it generates visible results = foam skimmed. Note - DOC are getting to the water - albeit at much lower rate - also if the koi are not fed - just from their slowed down metabolism processes.

  10. #9
    Another angle on this issue is that if you replenish enough water in your pond then the DOC becomes much less of a problem.

    Earlier in the hobby I only used to top up, and often the water had a pale orangey appearance. Since changing 30% water per week the water is always crystal clear.
    That is another good reason for heating your pond as trickling can continue throughout the year. and now I don't use my Tornado at all.

  11. #10
    Member Rank = Nisai gt350's Avatar
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    cheers guys I am going to leave it running for a week or 2,Just cleaned it,so will check and if its still taking junk out will leave it.Thanks mark

 

 

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