Thanks Gerry. We primarily swim in our pond also. I can imagine 30 years of accumulated leaves really creating a lot of muck.
We do not have 10' clarity, closer to 2'. It keeps plants from taking over. (I believe)
As long as my wife is comfortable swimming, I'm happy.
Good luck with your aeration project. I'll be following along to see how it goes.
Thanks,
Jeff

12 yr old pond, 1 ac, 15' deep.
RES, YP, GS, FHM (no longer), HBG (decreasing), SMB, and HSB (only two have been seen in 5 yrs)
I think that's about all I should put in my little pond.
Otter attack in 2023.