SS Brewtech, one of the forum sponsors has 1" ID silicone tubing for $6.75 ft. It's thick wall too, tough stuff. I stretched it over a 1-11/16" opening just to see if it would. It does but didn't leave it there for long.
This DIY began back in mid September. I went looking for a way to make my own conical and this is the result. It's a very long story so unless y'all just absolutely want a play-by-play I will just hit the critical points.
I'm not a pro brewer or winemaker by any means. More of a fix-it and...
Visited my brother in Florida a few weeks ago. He had a glass decanter of muscadine wine my dad made some 20 years ago and he had never even tasted it. Crystal clear with an amber color, hardened lees on the bottom. I poured some and it was the absolute best wine I ever tasted.