hi ive been reading this forum a while but my welding is like pigeon poop im using a cosmo 170 gas/gasless and what to sort my discovery panels /sills ,, friendly publican has offered me a medium sized cylinder for welder i think it will be co2 .. so what do i need to get it up and running .. gasless wire i m getting nowhere on thin panels .. stich welding seems ok but running seems i get nowhere im hoping gas and .6 wire will help me