Yeah, the water pipe sits above the water line, some of this fish enjoy sitting there for that reason. Yes it is a vertex diffuser, tod at cleanpondshas been working with me and I think we have a good plan to help the oxygen.
Had another LMB floating this morning along with a HSB, not fun.
We have a paddle boat, I've been taking it out every chance hoping to churn the water a little, lol. Trying all steps at this point.