how to hang liner??

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Anybody have any ideas on how to hang the existing liner to keep it in place in the expanded pond while we put in the new liner. The old liner won't reach the top of the wall and on the fence side the walls are steep and there's no shelf to put a rock on to hold it. I'll put a picture in the next frame.
 
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right now I have pulled the liner up onto the wall so I can put blocks to hold it, but that pulls the liner up off the bottom and is only temporary until we're ready to put in the new liner.
 

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Why are you keeping the old liner in place? Is it serve as a bed liner for the new liner that is coming? If so, can you buy those landscaping pins to just hold it in place. You see them in the outdoor garden area in home improvement stores. People use them to keep landscape liner in place. They're like a long metal U shape. You would just push them through your old liner into the ground all over the sides. I think they also make them out of plastic, too, but I believe it's a biodegradable plastic.

Not sure if this answers your question?
 
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I would go with plastic pins if really needed. If they are metal, they could rust and potentially poke a hole. There are gutter nails which are aluminum but, I would still worry about something that could poke a hole. I think I would try old wet towels (wet for weight) laid over the edges to hold it while putting the new liner and leave them. Once you have water in, nothing will move.
 
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I understand the reasoning to leave the old liner in as an extra piece of protection but, and this is for the experts, should you poke holes in the old liner so you cannot get water trapped between the new and old liner?
 
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that could certainly be possible, yes. I would think just leaving that first liner loose would be fine if it's just for purposes of protection for the top liner. As you say Airic, the weight of the water on the top liner will certainly keep things pinned down.

I'm just trying to figure out what our friend D&RW is trying to accomplish. Hopefully he/she will let us know.
 

DrDave

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I see no reason to remove the old liner or to poke holes in it. The new liner, as it fills, is going squeegie out most water, if any, that is trapped between the two. Unless I missed something, this is a good method of protection by doubling the liner thickness against roots, gophers and any other objects that might compromise the inside (new) liner.
 
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yeah, we haven't yet heard from D&R as to why he's trying to pin his liner. We're all curious. Not sure what the overall plan is...
 

DrCase

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He must be out there holding it up :(
while his wife is doing the final dig
he cant let go
 
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You guys crack me up! :( Sorry about the slow return. Yes, I'm leaving the old liner as additional protection. Someone else on the forum did that, I believe he lives in the UK. I don't think he had the same problem with holding it up though.

I like the idea of the plastic pins except they too could break as the metal ones could eventually rust. Here's what I hit on in the meantime, punch a tiny hole in doubled over liner at the top and push thick string through and tie a knot. As long as no one, like my wife while she's doing the digging, steps on or pulls it really hard, it should hold till I get the new liner places and water going in.
 
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She charges a back-rub per hour of digging!! :banana: Actually, while she hasn't done any digging, she very involved this time around. Lots of good ideas and always willing to help. She has grown to like the pond as much as I do. Example, yesterday I checked the water in the holding tanks and detected the lowest level of ammonia and 0 nitrites. This was just before dinner she had prepared and I had no declorinator. So, I told her "I gotta go to Petco right now. At first she frowned bigtime, but when I told her about the ammonia she said "go".

Then during the water changes she had to greet the trick or treaters, something I always do. She's not only my wife, but my best friend.

BTW, Petco's prices on Amquel + beat just about everybody's out here--$39/gallon.

Below is a pic showing the strings holding up the liner.
 

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Hi Dr. Dave,

It's a filler called "great stuff". I used it to keep the liner from "pooching" into the holes left by the design of the stones. It really worked pretty well.
 

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