Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Ponds and other Lawn topics.
If you have a rock garden, you can easily construct a stream or waterfall leading to the pool. If you want a waterfall, you'll need a submersible pump. The size you choose will depend on the volume of water you want to move and the height you want to pump it. Also, you will need accessibility to a nearby exterior electrical source.