Thanks, I don't believe that I will not be needed it in fresh water.Speed Prop is a anti-fouling coating. It also makes the the surface very slick giving for less drag. How much less drag, well I don't think its much at all.
The coating should last about 3 to 4 years which is a good thing. It works so well there is no slim at all on the treaded surfaces.
https://propspeed.com
Sounds like some nice trips. Safe travels.No slippage. But I think you mean by pushing the water back to drive the boat foward.
Yes, it's more for salt water. It's does work great.
I am totally a salt water boater. I love traveling on the boat to new places and some old one that I really like. As in Egdertown, MA or Newport RI.