During the first test of the field piping, the water didn’t even make it to the far end, so we added a vent pipe to the surface at the far end to allow the air in the pipes to be pushed out of the way by the incoming rush of water. So, between dosings, the top of the field is covered with air-filled perforated pipes (PVC with holes drilled in it), providing oxygen. And, I actually did have our plumber add an aerator, but it’s in the second chamber of the main tank. According to him, it’s best to have the first chamber free of aerator agitation for settling out solids. During pump outs, I’v ...
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