Rocks and sand create an aquifer effect. They are like a spring that can give or take water. The problem is that you have no idea how far it extends. So, you have to cover the rocks with good, well packed, clay.

It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.

Without a sense of urgency, Nothing ever gets done.

Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP