Hi Redfishman,
You're in my area, so I'd appreciate being able to discuss this with you further. Before you go to the expense of a diffused air system, check out
www.SolarBee.com. We've had excellent success in applications like yours, and the ability of the SolarBee to increase organic digestion can extend the life of most ponds while providing immediate improvements to water quality.
Best Regards,
Michael
