I'm no expert , its just what ive always read in the research ive done. Have a look at this thread

http://www.reefcentral.com/forums/sh....php?t=2019240

Thanks for the link, i read all three pages and i'm still a little confused:idea::flame:
If I have all my equipment plugged into a power bar that is plugged into a gfi outlet and also a grounding probe from my tank plugged into the second gfi outlet-
So is it better to plug the power bar into the gfi alone or should i also run the probe as well:question:

No grounding probe here. All components that have anything to do with my tank are on GFI.