I don't have a roll of the stuff, no. I've seen them. I've seen plumbers use them. And I've changed a couple of shower heads, but I haven't used it. So, I'd fi

I don't have a roll of the stuff, no. I've seen them. I've seen plumbers use them. And I've changed a couple of shower heads, but I haven't used it. So, I'd file this under "one persons experience is not necessarily a guarantee of universal experience."