How to Build Outdoor Waterfalls Inexpensively
· You'll essentially be building four minirock walls around the pot, to box it in. Make a small trench for the tubing to sit in under the rocks, so that the rocks don't weigh it down. This will keep the tubing free so that you can slide it through the pot up or down, at will. This gives you the leeway that you need since you won't know exactly what height you'll want the water spouting out ...