I read something about refreshing your atty. Blow all the juice out of your atty. Dry it off and then attach it and before putting fluid in, hold down the button and keep blowing inside the atty. Maybe that is so it doesn't get too hot. .. Do that for maybe a minute .. I always see lots of vapor coming up out of the atty ... Also .. if the atty is still good, you will hear it crackle as it is burning all the junk away from the atomizer. I notice that a atty that is still good will glow red during this burning ..
In doing this you will see just how long ONE MINUTE actually is .. .
Then add a few drops .. let it sit for ANOTHER MINUTE ... Two more drops and start vaping again .. Works for me.
ALSo .. with the first or second blow to empty the atty of fluid, I fill the atty with water and blow that through as well , turn it over and blow some more .. I always end with a strong blow and there is a second or two delay before the remaining OLD juice comes out... I don't know how many people will agree with me on that ..