Niagra 7000 hum

With your knowledge has anyone ever got rid of the niagra power conditioners 7000 humm?
Ag insider logo xs@2xrizwanalimohd
Niagara or Viagra?  Search this forum for at least one long thread on this exact topic?
There will always be some low level residual hum. This is due to the Isolation transformers that are used.

do you guys think it would help to get a separate ground for my dedicated 20amp outlets?
I don't. 
It might cause more grounding issues.