2.5 acres only 4 ft deep seems to me to be a prime candidate for winter kills. Agree on starting over.

You can drain it but need to understand that the junk on the bottom is generally the consistency of pudding. Getting it out is tough.

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 Grandpa