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Installing a pre-formed pond

Installation 1After purchasing the Blagdon pre-formed pond of your choice, place it on the ground where it will be installed. Mark around the shape of the pond with sand and remove the pond. Dig out the shape of the pond, using the sand line as a marker. Allow an extra 5cm depth for a layer of sand to be added. Dig out the shelves, having first measured the depth of the shelf.


Once the shape and shelves have been dug out, remove any stones that may pierce the pond. Place the pond in the hole, ensuring it is at the correct level relative to the surrounding area. If necessary, dig out any excess areas. Line the base of the pond and the shelves with sand and place the pond back into the hole.



Using a spirit level, ensure the pond is level. Once level, use the spoil from the hole to back fill the pond. Ensure the soil is compacted down, to prevent the pond from shifting as it is filled with water. Once filled, leave the pond for at least one week before adding edging stones, waterfalls and plants etc. This will ensure that any ground movement does not result in having to re-install pond décor.


Before adding edging materials, ensure you allow space for electrical connections. When installing electrical items around the pond, use a switch box or socket box designed for water garden use (Blagdon Powersafe or Gardensafe). Once the pond has been filled with water, it can be treated with a de chlorinator to remove harmful chemicals (Blagdon Pondsafe). Plants can be added and should be left for a period of 2 weeks to establish before the first few fish are introduced.