It is possible that the flakes could inhibit water flow inside of the DA; it could be creating a condition where spray valves in the DA have become damaged and or clogged. This can contribute to ineffective spray patterns or "firehosing" of the spray pattern onto the trays in the...
Anyone know of a source for the NAVCO Piping Datalog? A coworker of mine has a very old one but I'd like one of my own, and perhaps one newer than 1966....