Sooner or later, the rubber or other synthetic material which stops the water getting out of your pond will spring a leak. It could be due to a root of a plant trying to get through, some unfortunate person with hard shoes waiting in the pool, or just sheer old age. I'm so determined to find the leak but I don't really want to accept the fact it will be cheaper to start again and get a new...
a mysterious hole in our fish pond.
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