Anyone tried this ground loop fix?

erm..

I might not be following you correctly, please forgive me if I'm off base.

I've never had a noise issues with the one spot daisy chain, maybe my experience is and outlier.

I now use a 1spot power supply cs6, but I didn't notice any difference when I switched over between the two.

 

I have never had a noise issue with a 1 Spot either. And I've been using one for about 5 years with many different pedals.

OP, if you want the cleanest, most isolated, quietest pedal power possible: batteries.

 

.

If you are chasing noises ...

1- nashua aluminum flashing tape all the cavities and pickguard, check continuity as you go with an ohm meter (wrinkle/fold as necessary)
2- replace the black-white two wires from the volume pot to the jack with shielded cable. RCA patch cable from old VCRs is a good source. Some desktop tower pcs can donate shielded cable like the dvd drive to motherboard. Fender uses two wires on their $2k guitars while Gibson Epiphone Specials for $80 have shielded cables. Necessary to have Vintage noise? We have a lot more electronic devices now than in the 50s...
4- covered pickups (Tele neck pickup or the chrome covered humbuckers). Yes, shielding matters here too.

.

 

If all your pedals are negative ground, you probably won't have an issue. If all your pedals are 9V, you probably won't have an issue. The ground is the same for all pedals. Mixing the two is where you start having problems.
I have all kinds of noise trouble using my Neo Ventilator in the chain because it's 12V positive-ground. I use it strictly with my HRD in the loop, and that isolates it from the others and keeps things quiet.

 

I'm not sure I understand your comment - could you explain what you mean, please?

 

I prefer the Power-All to the 1 spot. If using more than 3 or maybe 4 pedals, I go with Voodoo Labs.

 

I wouldn't worry about it unless it happens.

 

For just a few pedals, the ground loops are likely to be insignificant. In my experience, up to 4 or 5 pedals will work on s 1Spot, provided they’re all 9 volt negative ground and fairly low power. If you’re into power-hungry digital pedals, you get noises but it probably won’t be ground loops.

I ran on a common power supply for decades, but when by board grew to 6, 7, 8, 9 pedals, I had to bite the bullet and buy a Pedal Power 2+. For me, and for that board, it was worth the investment. On my little “surf” board with 5 pedals, a 1Spot works just fine.

Ground loops get to be a problem with longer cables, like when you jumper two amps together without an isolated splitter.