Okay, here is an update on my system. I planted a 48"X16' above ground pool in the ground 24"s, filled it with well water which I added a lot of lime ( my well water is so acidic that mosquitoes wont even lay in it) let it perk for three weeks then tested it and added 500 catfish fingerlings on March 19 2011. They were tiny and got lost in all that water.

The next step was to build a trough 25' long X 32" wide by 10" deep (Finished the trough about the middle of may, only had spare…