Originally Posted by Flanno

Yes, I used to run OS p6 and P5's, untill found Odonells were much cheaper, I did find tho that after using OS the Odonnels don't seel propperly, so I recomend sticking to one brand plug once you have started ussing em or get a new button if ya want to switch to Odonel plugs.

You may be lucky if only used OS for a short time but I was using OS for quite a while before trying the Odonnels and was getting air bubbles around the plug the very first time I switched types.