I also Netti pot. (sp?)
I take 2000IUs a day of D3.
Instead of using a Netti pot, I use a Nielmed squeeze bottle. It does the same thing but is easier to use. I call it my Snot Blaster 3000 . . .
Grossan Hydro-Pulse MUCH more effective than the "Netti pot". My wife and I will give up our Grossans only "from our cold dead hands".