Hi Isa,
I routinely use my Silver-Puppy-generated CS, straight, in my little nebulizer, 
for both my own and my dog's URIs. I just hold him to my chest and let the mist 
drift down across his nose. He usually tolerates it and it really helps. Cats, 
being so different than dogs, might be a completely different situation.

Be well,
Léna
On Aug 13, 2015, at 7:24 AM, Isa M wrote:

> Hi is anybody have used CS in nebulizer? Which dilution?
> To use for my cat with FHV and bronchitis.
> Thank you!.