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  1. #1

    Rectangular Pond Returns

    Hi
    Raised Pond 3m x 2m x 1m
    Gravity fed Eazypod
    Superfish 8000
    55 W UV
    4inch BD
    Water is returned at one of the far corners of the pond 6inches off the floor pushing water down the long side
    BD is not aerated
    The fish waste appears to collect in dead spots on the bottom of the pond
    Any ideas on how to resolve this would be appreciated
    Thanks



  2. #2
    In my experience of playing with my pond I have noticed a massive benefit to having the aerated bottom drain as it creates a mechanism to pull the surface of the pond to the drain as it dispurses the water above it with air.

    Not sure if there is anything you can to to retrofit aeration but that would be my recommendation.

    Having returns at both ends of the pond helping the pond rotate in a circular fashion also helps

    Sent from my SM-G991B using Tapatalk

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  4. #3
    Senior Member Rank = Adult Champion Twhitenosugar's Avatar
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    I agree with cavester.

    On my pond (which is only a bit bigger than yours) the return is just under the surface and the pond is 2m deep. So basically my pond return has zero impact on keeping the bottom clear. Yet the pond floor is kept clear.

    I put this down to the BD being aerated (although I only have mine come on a couple of times a day for an hour each time)

    I've seen air rings that clip onto the lid of a BD. You could maybe try that? Although it may give the fish something to damage themselves on.

    If that doesn't work then maybe just an air stone chucked into the pond may still cause enough lift so as to get the crud on the bottom moving?

    Sent from my Pixel 4a (5G) using Tapatalk
    13,000L fibreglassed raised pond with window

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