When I start up my reactor, I purge out all the O2 with N2 then I shoot in H2. Will the H2 successfully purge out all the N2? I might just be paranoid, but I have a feeling that a little bit of N2 is hanging out at the bottom of the tube even though my H2 sensor is reading 100%.
I.D. is 4"
P>1 atm
no internals