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Thread: Ultima II Opinions?

  1. #21
    MCA
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    Honmei MCA's Avatar
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    you mean this thread?

    http://www.koi-bito.com/forum/genera...er-crates.html

    I would dare say a shower/TT is can probably be the cheapest form of filter if you use lava rock and cheap plastic trays. In the latest issue of KoiFixx (got it yesterday), Brady showed how to DIY one using plastic trays that hold soda bottles (the store was ready to through them away). He put a ~3" layer of lava rock on each and made a 4' tower to filter a heavily stocked holding tank. He showed the filter 17 months later....all he had to do was rinse off algae from the top tray.

    But remember that depending on where you are located, it may be too cold in your winters to run a shower/TT. In my case I wil bypass them starting December 1 and crank them back up around Easter. The Nexus filters connected to the bottom drains run all year.
    Koi keeping is not a belief system; it is applied science with a touch of artistry.

  2. #22
    Tategoi Peppy's Avatar
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    Yes thanks!

    I can't run the TT here in winter or feed the fish either.

    I'm leaning toward the Ultima II again after reading an ariticle in some Koi Club newsletter about the drawbacks of bead and Nexus.

    This is all so confusing.

    I had wanted to do a bottom drain but cringe at cutting the liner, especially the new one coming tomorrow. I read I can pump right into the Ultima II, though advised here to prefilter before.

    I'm afraid prefiltering with my existing PFs will decrease the flow exiting the Ultima II to next to nothing.

  3. #23
    Sansai WayneB's Avatar
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    Quote Originally Posted by Peppy View Post
    I'm leaning toward the Ultima II again after reading an ariticle in some Koi Club newsletter about the drawbacks of bead and Nexus.
    Please elaborate on the drawbacks of the Nexus...i did not know it had any.

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  5. #25
    MCA
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    For 24/7 use, I find that Nexus/Answer is one of the best choices for running on BD circuits. I like showers for the skimmer circuit (with winter bypass).

    We have used our Nexuses with Answers for years.

  6. #26
    Tategoi Peppy's Avatar
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    I can risk a clogged filter impeding flow but can't risk an overflow when we're out of town.

  7. #27
    Nisai Bobby's Avatar
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    Quote Originally Posted by kent wallace View Post
    I also love sand filters but not the pressurized type. We build open unpressurized upflow sand and gravel filters that hands down give the best polishing effect and fines filtration available.

    I would like to see a sketch or pictures of this build and how it's implemented in a filter setup

  8. #28
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    We have had over 4" of rain today...with more coming. Did either Nexus overflow? Nope. Why? Pond SYSTEM engineering!!!!

    A 2" overflow port on the pond wall prevents either the pond or gravity fed filters from overflowing.


    Where is Steve C saying "it is a system" when you need him?

  9. #29
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    That looks like a great site, I will have to go back and play areound there.

    The particular page must be quite old. The Answer is no more so the problem of overflowing is history. If the present particle filter should plug(very badd maintenance if it does) the water will overflow it.

  10. #30
    Tategoi Peppy's Avatar
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    Still nervous about possible clogging while out of town.

    I saw this setup somewhere online where the TT was sitting above a stock tank filled with floating media and air to keep it all moving.

    How is that for a fluid bed? Would that work?

    Is the water supposed to be free of debris before entering a fluid bed?

    Is the main purpose biological filtration?

    I'm telling you, at this point my head is spinning with all the new information, trying to sort it out and decide what is right for me.

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