Don’t Forget to Line your Pond

Monday, July 13th, 2009 at 10:17 am

I remember my attempts at pond building as a child. After digging a modest hole at the end of the garden I would run back and forth with a watering can for a day attempting to fill it with water. Of course, all the water would simply disappear into the earth and being no more than 7 years old, I had no idea why my pond wouldn’t hold the water like the ‘natural’ ponds I would see outside.

What I didn’t realise back then was the water would never stop soaking into the porous earth. Without liner, just like the sand castle moats you build on the beach, the water simply drains away.

One of the fundamentals of pond construction is ensuring it is lined. Pond lining comes from a roll similar to a carpet so you would simply need to work out how much pond lining required for the size of your new pond. Pond liner calculators are very handy for this task, just measure the width, length & depth of your pond first.

Do I need Liner Underlay?

If you have quite a large pond construction project pond liner underlayis a must. Particularly when there is the possibility of the liner getting damaged by tree roots or sharp rocks!

You have the pond liner so what is next?

Once you have lined your pond and filled it with water it doesn’t end there. The water musn’t become stagnant so you need to ensure it is renewed or filtered continuously. Your pond will almost certainly require a pond pump particularly if you intend to put fish in there! Like pond liner, choosing a pump depends on the size of the pond. Your pond pump should be powerful enough to pump all pond water within a certain timeframe.

I expect I would have continued trying to fill that pond in my childhood even if I knew the truth and correct way to construct a pond. Racing to get back with buckets of water before the previous contents soacked into the mud and turning my parents kitchen into an indoor paddling pool was so much fun!

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