Oyster, here’s an explanation. I’ve repaired thousands of units. I’ve learned a few things through this time. Of the units that were treated with Caig products (and others), those were the worst units to repair. Unlike lubes placed in sliders at the time of manufacture, sprays go everywhere. Some become very sticky and attract dust. The slider or pot works great at first, but later degrades faster and to a worse condition. In addition, sprays don’t clean out pots well or at all. They move...