Making the pond bigger

I want a bigger pond. Can I just glue a new liner to my old one?


Pondlady sez:
You will have disastrous results if you try to make a pond bigger by seaming liners.
You simply cannot seam liner in the field.
 Try building a second pond right next to the first with a soil wall in between. Use that space for a walkway or a waterfall, maybe two. You will need a second pump, of course. But the two ponds will look like one. This is a much cheaper and easier way to get a bigger pond.

Here's one that I did.