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  • Page 2 of 2 FirstFirst 12
    Results 21 to 23 of 23

    Thread: help me understand why no rocks?

    1. #21
      coolwon is offline Senior Member
      is Garfield is my name DIY is my
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      Post#19 3rd picture down with the flagstone surround needs maybe a skimmer or alternatively a well designed foam fractionator.
      Find more about Weather in Durban, ZA

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    2. #22
      Voyant's Avatar
      Voyant is offline Supporting Member
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      The original filtration was not good - a filter/cleaner box with a submerged pump, and there were tons of plants in the pond and the stream which worked a little like a bog. But they also created a lot of debris because koi like plants and to root around in the roots and make a big mess. But honestly it doesn't matter what you have, if there are places for dirt to hide it will find them and accumulate there.

      I've intentionally kept my fish load to about 1 per 500 gallons.

      When I did the big rebuild in 2011, i put in a bottom drain. No rocks. Still a lot of plants. Then 2 cetus sieves which sent the water either to 2 s&g filters or to a shower. Eventually I pulled the cetus sieves & s&G filters and put in a drum filter, which I just pulled out and replaced with an UltraSieve III.

      The leaking on the stream was partly plants finding their way into the water (very shallow), dogs moving the rocks around, and animals digging around the edges. I've never found a hole in the liner, and there were plenty of opportunities.

      I've been pulling all the plants out over the last 2 years. the debris was not worth it. And - plants require maintenance. The boulder edge made it very difficult to reach into the pond to clean out the dead lily leaves, for example.

      You are right, the smooth walking edge is a matter of preference but as I age I want fewer opportunities to hurt myself.

    3. #23
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      Re the foam/skimmers:

      There are two skimmers that you can't see in the pic. And the foam is an issue, but the fish are on their second spawn in a week so I'm going to let them settle down before I get serious about that.

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