you don't need those chemicals unless there is a problem. If you have foaming or low pH, seek out the root cause first. If you can not solve the root cause, then look at additives.
If you have gas with high CO2, you'll most likely see some low pH. Addition of an amine to nuetralize should only be done based on testing. Foaming, get the HC liquids out or the fine solids. If you can't work with you favorite chemical sales slug to find a cost effective solution.