Galen Hekhuis wrote:

I may not use the proper terminology, but can anyone make heads or tails
out of this and responds or tells me where I can find more information I
sure would appreciate it.

Ponds need to be aerated especially if they have fish, but also to
prevent anaerobic bacteria from getting started and creating the stinky
stagnant smell.

Ponds need to expel bad gasses. That would be excess CO2, and other
waste gasses and especially sulfur and nitrogen compounds.

See: http://www.malibuwater.com/h2s.htm
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18,000 gallon (17'x 47'x 2-4') lily pond garden in Zone 6
Cheers, Steve Henning in Reading, PA USA