Any ideas why?
Un chilled kegs, Pluto gun with 1.5m beer line.
IPA, I get loads of foam but fizz is only as much as a stout.
Using Stargas 50/50
use 3/16 line, not 3/8 line. Chilling the kegs will help. The CO2 is jumping out of solution at those temps, and with that kind of freeflow in the line.