Dude Send it to me. Ill run it in my FS110 Ultrasonic cleaner. Nothing against harbor freight and I own a harbor freight myself. My unit is a triple frequency unit. Just pay to and return shipping and Ill tank it for you no charge... Pm me if you`re interested.
It is very important for you to post your results once the problem is solved so that people will be able to reference a solution to their problem down the road. YEARS may go by and someone has the same problem PLEASE POST YOUR "IT WAS FIXED WITH x SOLUTION.