Im wanting to build a pond in one of my many flower beds. I want it to be around 3-4ft deep at its deepest. I have picked a bed that is about 6ft wide by around 8ft long. Ive got a lot of the flat rocks used for decorating around them. Really my question is what is the best way to dig this thing? And where do i get the liners and what exactly do I do ones the hole is dug. Ive seen it where people just dig a hole and put the liner in and fill it with water. Is that all there is to it or is there more? Any help would be great.