Do any of you guys have experience of Daisy Chaining Power to your FX with a Diago Powerstation. I'm getting a very loud electric hum when using it to power pedals before the Pre Amp in my Peavey 6534+ Crunch Channel. It's fine in the loop though.

I've read in a couple of posts that using the same power supply to daisy chain pedals in the FX loop AND in front of the Amp causes ground loop humm issues and that a separate supply is needed.

I'm wondering if I could supply power firstly to my Boss NS2 noise reduction pedal and then use a separate daisy chain to supply power on the power output to the other FX (3 others in total so far).

Any thoughts guys?
Anybody - are do you all guys out there use 9V batteries - I think not.