| Great stuff. I use it on all my horns including rotary valves. As Mikey says "Cleaning is the key when switching". If you don't, you won't like the oil, as it doesn't mix. For me, the H2O didn't feel as smooth, even after a good cleaning from the Pro oil. But, I have very tight valves.
Shop around for prices too. I found it can vary by a few bucks, but is right in line with the other quality name oils.
Enjoy
Bill |