Used to blow through the threaded end because every said to do that.
But I tried it the other way and it works better.
So now I blow through the cartridge end.
But they say that you can blow particles into the air holes and clog them.
Particles of what I'm not sure.
That hasn't happened to me yet, and I blow my atomizer out every day.
And even if it did, then I'd just blow through the threaded end once to unclog them.
At least that's the way I see it.
