ok i have a 900mah ego style battery and a protank 2. Yesterday i started getting this really really nasty burn taste. i cleaned everything. still burnt. i went to the shop and they told me to use a higher ohm atty so i went from a 2.2 to a 2.5. still tastes burnt. ive only been vaping 3 - 4 weeks i have no idea what im doing someone please help.