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Constructing our new wildlife pond s is a diary

Old carpet used as a base underlay The liner should be protected from anything that could possibly cause damage and so the bottom of the deepest part had a 1" layer of sand and the photo shows some old carpet in place to protect the area that will be subjected to  the greatest weight of water.

A commercial liner underlay was then laid over the entire area. 30.

An aside: When surfing for a supplier I came across one site that gave totally false information regarding water pressure. Their calculations claimed that the entire weight of water in a pond would be pressing on every square inch of liner. This appeared to be an attempt to frighten customers into buying their super thick and strong products.  Idiots!

constructing a wildlife pond - image 6 this is a Christian family friendly and child safe site
The liner in place and the deepest area is filled. July 21st

Filling begins.
This is done in stages . . .
(a) allowing the liner to settle into place
(b) giving easier opportunity to make neat folds where necessary
(c) because my next stages involve building on the liner.

constructing a wildlife pond - image 7 all life is God given. We have a responsibility to care.
Posts are cut into logs for a pleasing effect. Our local garden centre sells posts that are perfect for the log effect that we used and liked on our previous pond.

With an approximate measurement of the depth of water they would be fixed in the posts are cut into logs of various appropriate lengths.

 

constructing a wildlife pond - image 4
Logs and bricks are fixed in the pond with mortar. July 27th

The photo shows the construction work on the liner, ie. inside the concrete collar.  The logs are fixed in a bed of mortar and bricks have been laid around the remainder of the edge except where the sloping 'beach' will be.

A few days later two coats of Bondaglass G4 sealer was applied to all mortar and the concrete bricks.

 

constructing a wildlife pond - image 4b
A wall of rocks will support pebbles and gravel in the shallows. August 8th

A wall of rocks is built to prevent pebbles and gravel that will be used on the shallow 'beach' from moving into the deeper parts.
Mortar is not needed here.
Care is taken that there are no sharp edges pressing into the liner and as an extra precaution pieces of liner (excess trimmed off) are put under the rocks.

Many thanks to Bill W for giving us the rocks.
If you are buying rocks I advise you find a quarry and buy them by weight rather than pay excessively at a garden centre.

A shallow and sloping 'beach' is essential for wildlife to enter and leave the pond. It is also an area that will attract birds.
Pebbles and gravel are to be used in creating this area but be warned - the bags purchased at garden centres and DIY stores are filthy and salty.
Your wildlife (if any) will suffer unless you wash the pebbles.

The three flexi tubs show the results of successive washes. By the third wash the saltiness has gone - I tasted it to test.
I haven't found any easy way of washing pebbles but gravel can be washed in a suitable sieve under running water.
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