Heng long bulldog tank

[Kennypenny]

Can anyone help
In the instruction manual for my heng long tank it says to add smoke oil after one hour of use
You add 2ml through the exhaust.Do you add 2ml through one of the exhaust’s or 2ml in both exhausts

[Herr Dr. Professor]

Hello, Kennypenny: 2 ml through one exhaust is all you need. But there is a custom here on RCTW: check out the "Introduce Yourself" forum for examples of ways to say hello the first time and get more attention for ones questions.