Hi,
Thanks for your reply.
I have been using one of those things you stick up your nose but its not the best solution and does not look the best!! Although I did have a boss who used to always walk around with one up a nostril.
The problem with using some fruit or a snack is that they are generally hard to get to..... where as fluid is in my camel back and easily sipped on. However I suppose I could just make some salty squash and put up with a battered banana!!