Bottom aeration actually creates small underwater "wavelets". I'm not an expert on it. Check out the Systems Questions area here.

Last edited by Dave Davidson1; 03/09/17 05:47 AM.
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