using concentrate flavors

[giddeon]

I have been mixing for a couple of months. I am now understanding thumb of rule for 10 to 20% flavor when using normal flavors. What is the thumb of rule when using concentrate flavors?

 

[erinarthur222]

less is more.

 

[tj99959]

All I use are concentrate flavors. One drop/ml of e-liquid.

 

[giddeon]

Thanks for the help and advice.