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Raised Pond construction

Any pond specialists out there? I've designed a formal raised pond that's approximately 6m x 1.8m (it will about 450mm high from ground level). Would you recommend having a balancing tank?

Many thanks
Melissa Jolly
(Garden Designer)

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Replies

  • PRO

    Hi Melissa

    I've sent a message to members of our Ponds and water features group. Hopefully someone can help.

  • Hi,

    From your illustration I can't see the three fountains taking that much water out of the pond when they are running, as opposed to not running, so I wouldn't have thought a balancing tank would be worth the cost and problems. Your pond doesn't show any planting, if that's how it's going to be once built its is going to have to have a filter which will have to be hidden and raised up above ground level. Also the fountains appear to be the bell type and in practice I found these blow apart in the slightest breeze.

    Mark

  • I would agree with Mark, there doesn't seem to be much water being displaced.

    Depending upon the splash and wind blow due to position/exposure within the garden may lead to needing regular topping up, along with evaporation from wind and sun on the surface area.

    Either position a tap local to it for hose filling or build in an auto top up under the surround.

  • Thanks very much Phil, Mark and Peter.

    The fountains are illustrative, and in reality the client wants them only just breaking the surface so there won't be any splash. She does want lillies, although I wasn't sure how these will work with the fountains. It's good to know that a balancing tank is unnecessary though.

    I didn't know a filter would be needed so may have to get the technical drawings done by a specialist pond company.

    Thanks again
    Melissa

  • PRO

    Good morning Mellisa, you could probably get away without a balancing tank if you can fit a top up valve within the construction of the feature. have you also thought about keeping the water clean - i.e. filters?

    John

  • PRO

    Sorry I should have read the earlier replies first! you could use a pressurised filter in a remote location. These filters can be buried in the ground so that all you can see is a lid and some pipework.
    john

  • If you'r going to plant the pond up the plants themselves should keep the water clear on their own so long as you have sufficient plants, particularly water lilies and oxygenates. That's what they did before pond filter came in with Koi ponds; just filters make it easier.

    Mark

  • PRO Supplier

    Hi Melissa. It may be difficult to hide a balancing tank, as the pond is raised and the tank would need to maintain the same water level as the main pond. Are you incorporating a filter system? If so, the balancing tank could be used to house the filter pump, eliminating the need to install this directly in the pond itself.

    As the pond is reasonably small, it may be easier to simply add a mains water pipe feed to the pond, allowing the client to manually top the pond up, rather than an automated top-up via a balancing tank. The very simplest solution is to just get the hosepipe out if/when the water level needs topping up!

    I noticed you have proposed 3 decorative fountains so it's likely that these are powered via 3 individual pumps and 3 decorative display nozzles. As there will be 'technology' in the pond, you are probably best to incorporate a Submersible Filter. These only require mains power connection and will eliminate the need to have flexible hoses leading to the externally mounted filter, then back to the pond.

    I'm more than happy to run over the design with you, via telephone (02392 373735) or you can email it to me (andy@water-garden.co.uk) if that helps.

    Best Regards,

    Andy Staves
    Water Garden Ltd
    www.water-garden.co.uk

  • I would highly doubt a filtering system would be needed on pond that size with three pumps especially if it is going to have Lillies in it
  • sorry had major lag on my phone before i see what i mentioned has already been covered, my bad.

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