Hey LR, get ya'self a surf board- it's more fun.
Be careful shoving anything up your nose without first asking a quack to look up your snazza.
Isotonic nasal saline is available from community pharmacists.
I did write a piece on sinus type conditions late last yr, may be worth a search.
Or there's always Fistral.......
http://www.fistralsurfcam.com/