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Thread: Over wintering

  1. #1
    Jumbo Akai-San's Avatar
    Join Date
    Aug 2004
    Location
    Honolulu
    Posts
    700

    Over wintering

    What is required for over wintering outdoor ponds where temperatures reach snow fall levels? How do you protect or insulate outdoor filters? Something I never really had to think about in Hawaii...But Japan is a different story.

  2. #2
    Sansai marco's Avatar
    Join Date
    Oct 2004
    Location
    France
    Posts
    282
    I cover my pond with polycarbonate and protect my filter with polystirene , but I don't close it too much just to allow gaz ecxanges. I have a heater and try to keep the water around 18 C in october and november and will let go slowly down to 7 C for 7 weeks, them I will increase it slowly until spring.

    Hope it's the good way , just tell if you have a better idea.
    Marco

  3. #3
    Nisai
    Join Date
    Jul 2005
    Posts
    53

    Smile Winterize

    I have a 6000 gallon pond 4 ft deep. I disconnect the filter completely around Thanksgiving and let the pump run continuously. It certainly reduces freezing even in O F outside temperature. I do not use any kind of pond heater. I also loosely cover the pond with two layers of 3 mil polyethylene sheets with about six 2X4 wood plank support to prevent snow and leaves from falling in the pond. I change water and start the filter in April. I have been doing this for five years in southern NJ and never lost a fish. Hope it helps.

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