Yeah that is what I use is the bright yellow bottles. I keep an extra bottle of it in the bed of my truck and then an extra bottle of water just in case. When I first changed all the hoses, etc I had heaps of leaks and didn't trust it. It isn't leaking anymore so I dont have to worry about it as much but still like to stay on the safe side. Thanks for the info about the bearings, etc Brian, I will be sure when I build a motor to run straight water then. Good tip I will probably never forget now. Those kind of things stay stuck in my head heh.