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  2. How an algae-infested koi fish pond is deep cleaned - AOL

    www.aol.com/news/algae-infested-koi-fish-pond...

    Sam Bates walks us through how he safely relocates koi fish to dewater the pond for a deep clean. The process involves netting out leaves and muck, power washing algae from rocks, and aerating the ...

  3. Algaecide - Wikipedia

    en.wikipedia.org/wiki/Algaecide

    Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...

  4. Winogradsky column - Wikipedia

    en.wikipedia.org/wiki/Winogradsky_column

    A tall glass (30 cm long, >5 cm wide) is filled one third full of pond mud, omitting any sticks, debris, and air bubbles. Supplementation of ~0.25% w/w calcium carbonate and ~0.50% w/w calcium sulfate or sodium sulfate is required (ground eggshell and egg yolk respectively are rich in these minerals), mixed in with some shredded newspaper ...

  5. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    Water that was once clear for meters is now so turbid and sediment-ridden that a wader may lose sight of their feet before their knees are wet. [ citation needed ] Oxygen is normally supplied by submerged aquatic vegetation via photosynthesis but pollution and sediments have reduced the plant populations , resulting in a reduction of dissolved ...

  6. Waste stabilization pond - Wikipedia

    en.wikipedia.org/wiki/Waste_stabilization_pond

    The system may consist of a single pond or several ponds in a series, each pond playing a different role in the removal of pollutants. After treatment, the effluent may be returned to surface water or reused as irrigation water (or reclaimed water ) if the effluent meets the required effluent standards (e.g. sufficiently low levels of pathogens ).

  7. Garden pond - Wikipedia

    en.wikipedia.org/wiki/Garden_pond

    This garden pond has two ponds separated by a waterfall with a one-foot drop; generally, the fish in the upper pond are smaller, and ones in the lower pond are larger. Ponds may be created by natural processes or by people; however, the origin of the hole in the ground makes little difference to the kind of wildlife that will be found in the pond.

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