Kay81, are the flavour shots high VG? If so they wouldn't help the liquid wick any better.
But adding Distilled Water would.
Flavours are mainly to enhance your enjoyment, that's if you can tolerate them. As some folks have adverse reactions to certain ones or everyone. I personally cannot vape any melon flavoured liquid, it's my
vaping Kryptonite. Gives me a sore throat, as something in it doesn't like me.