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Pond and re-lining advice
Hi guys,
We have recently moved into a new house, which has a pond, well two actually, next to each other with a pipe linking the two that the fish could swim through. Our neighbours said it used to be beautiful, but the chap we bought the house off, long story, basically ruined them, he smashed all the garden up, and he had thrown everything in the ponds. I have managed to dig them both out, but there isn't any pond liner in them. The edges of the pond are all rough stone that has been cemented together, so ideally you would put the liner under the stone and build the stone on top of the liner? My question is, how can I put the pond liner in without having to dismantle all the surrounding walls, also the pipe that links the two ponds would need to be watertight, otherwise water would just run into the soil. I hope all that makes sense? I will attach a picture to give some idea of what I am talking about. Any feedback would be much appreciated, thank you in advance!!

We have recently moved into a new house, which has a pond, well two actually, next to each other with a pipe linking the two that the fish could swim through. Our neighbours said it used to be beautiful, but the chap we bought the house off, long story, basically ruined them, he smashed all the garden up, and he had thrown everything in the ponds. I have managed to dig them both out, but there isn't any pond liner in them. The edges of the pond are all rough stone that has been cemented together, so ideally you would put the liner under the stone and build the stone on top of the liner? My question is, how can I put the pond liner in without having to dismantle all the surrounding walls, also the pipe that links the two ponds would need to be watertight, otherwise water would just run into the soil. I hope all that makes sense? I will attach a picture to give some idea of what I am talking about. Any feedback would be much appreciated, thank you in advance!!

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Posts
I can't see how you'd line it without have the top completely flat.
I think it might just look like a " bodge job " .
" If you fail to prepare: you should prepare to fail "
Or make one, bigger pond?
Re-lining an old one might just be covering up previous mistakes?
The swim-through: nick a hole in each of the two pond liners (narrower diameter than the pipe) and stretch the liner over the pipe. You could add a flange beforehand and then tighten that down and use some PTFE tape but, without that, it is a recognised way of fitting a pipe into pond liner. See here: https://youtu.be/GaUDJ64v0wM
Thanks again everyone, and stay safe..