GENERALLY, you might be talking of a depth that is below the thermocline. Due to O2 shortages, fish can go there but can’t stay.

Last edited by Dave Davidson1; 07/24/19 06:07 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