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Fitting Grp Pre-formed Pond
February 20, 2011
6:59 am
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Bluedave
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Any tips Boys and Girls?

My in-laws pond has been leaking very badly over the winter and they've lost a load of fish. it's a decent size pond made with liner so I've volunteered to put a new GRP former in for them.

I figure it's just a case of emptying the pond, ripping out the old fabric liner, getting some topsoil to fill the bits around the original pond to match the former then putting a leveling layer of sand on top, popping the former in and making sure it's level? Somehow fitting the filter return at the bottom of the pond - i'm assuming there's some predrilled holes for this or i'll drill me own?

Sorting the waterfall may well be a different kettle of fish but one thing at a time eh?

May have to move some rocks - this could be fun!

P1170164.jpgImage Enlarger

February 20, 2011
9:18 am
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Mark Duffill
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It would be a lot faster, easier and cheaper to remove the old liner and pop in a layer of underlay and put in a new butyl liner.

Ive never used a preforemed pond so cant really help on that one apart from you obviously need the soil dug out to the perfect shapes of the preform which can be a major hassle in itself if it has different levels etc.

February 20, 2011
5:11 pm
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Bluedave
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I agree Mate, I was just going to replace the liner with new but they've got their heart set on one of these GRP jobs!

February 23, 2011
1:18 am
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JazzBora150
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December 21, 2010
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can you not find the leak it will be where ever the water stops leaking out
is it defo in the liner and not existing pipework
repair kits for butyl are inexpensive and very effective like patching a tube on a pushbike
other than that
mark out the basic shape dig out then side fill with sand

also bottom drain with that tree overhanging may cause you some hard work further down the line
i would go for good solids handling pump internally aquamax 5500 or something like that has a good head on it too so it would pump up to top no problem

February 23, 2011
12:57 pm
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Bluedave
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Cheers mate,

all good advice but they really do want to go down the GRP route despite my advice to the contrary!

Will have a look at the pump you suggested.

February 23, 2011
3:21 pm
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JazzBora150
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aquamax pumps are really cheap to run

cant remember exact figures but i think the 5500 uses about 100watts per hour

5 year warranty on them as well and extra bonus they are amphibious

awesome pumps must have for any outside pond downside they are not cheap

but i wouldnt have any issues buying one off ebay as long as you have some idea of its age

warranty will travel as well as i returned one i bought of the bay and it was replaced with a new one

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