I'm not sure there are many answers for treating a small part of a public body of water and getting meaningful results. Who owns the chapel and do they have either the $ and/or interest in making changes?

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