PB blaster is not really a control cleaner...If the shaft is stuck it's good at freeing it. The best control cleaner is Deoxit, but it is also stupid expensive. De-Ox-ID I've found to be roughly equivalent in performance but much cheaper. WD-40 works in a pinch but it does not last as long....A dirty pot cleaned with WD-40 will be good for ~1 year before re-cleaning becomes needed where as the purpose made control cleaners tend to last ~5 years.
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