My question is when all you have is an 02 tank and a regulator that has units in psi, how do you know what psi will give you a flow rate of 1L/min.
Also Black n Tan stated that for OGs of 1.10 and over he uses 1L/min for 2.5mins. My og is 1.098, how did you get 5 mins?
And as for knowing what...