Most tumbled stones come out cloudy, flat-spotted, or permanently hazed. Almost every time, the cause is a decision made before stage two ended.
You loaded the barrel, ran the stages, and followed the schedule, but the stones came out hazy and you cannot figure out why. The problem is almost never the machine and almost never the grit brand or the stone type. It is a decision made days earlier that nobody explained how to catch before it carried all the way through to the final polish. The Stage Two Secret Nobody Explains