Boatman, I was recently at a GA pond that has gin clear water also. His submerged plant life keeps his fish thriving. I am guessing your pond is in the northern GA mountain pine tree area. You will likely need to add 8 tom/acre of AG Lime to your water and watershed. Pine Trees create acidic soils and the pH will need to be raised to unlock the fertilizer and start a beneficial bloom.

There are also "Liquid Lime" products that are pricey compared to crushed ag lime, but can be perfect if it isn't possible to get a lime spreader truck near your pond.