ratings

Hi All, Has anyone researched the different qualities for sanitation hoses? I am replacing my holding tank on my E35/3 and there are a number of different 1 1/2" sanitation hose choices. I've found ones from Greenline (G380 is their top product - white butyl rubber and supposed to be odor...

Rumor has it that our Yacht club may be changing their ways and switching from "Rocky Mountain" PHRF to Northwest PHRF. My current rating is 144. Can any of you racing Guru's out there tell me where to find the NW ratings or even tell me what mine would be. Deep fin keel, no spinaker, 2...