Hi Skinman. In my quest toward a better pond I looked into aeration and what I learned is there is a lot to know about aeration before you begin. IHMO either you need to know a lot about aeration or you need to contact someone that does. There are several good vendors that post on this site that would probably be very happy to discuss you particular pond with you. I would recommend that you email them. Done properly aeration can be a great tool in pond management, done poorly you may either have little to no benefit or you could even cause a disaster.

If you have a diagram of your pond with depth markings that would probably be very helpful. Usually the aeration folks want to know the shape and depth of the pond in order to give you a recommendation.

That's just my two cents (and is probably not worth that price).

JHAP
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"My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives."
...Hedley Lamarr (that's Hedley not Hedy)