More pictures:
My twin with a brown he took out of the pond a few years back
Five gallon buckets in a series used for aeration of well water.
View of well water entering top bucket:
Water discharging into lined distribution pit. Used to move water to different ponds if needed via gate valves.
Picture showing plastic perforated piece inserted into top bucket to make the water distribute evenly into the plastic media. I will be inserting one for each bucket in the future.