Suremix 60, 60/40. I’m a tight ar£& and a scared of loosing gas so I pressurise to 30 psi, disconnect and leave for a couple of weeks, maybe top up once in between. I then serve at around 12-15 psi, topping up every 5 or 6 pints. It’s worked great for me, done maybe 10 kegs this way.
Note I...