ive been planning a nice cycle, or trying. first off i ordered a kit to make my own inject. well it finally came but no bb, ok ive decided ill go for it anyway ,a little pain o well. now i relize idont have all the pinz i need i think !. i ordered and received 50 23g , can i just use a 23g pin to stick through the stopper in the vial and fill , then swich to another 23g to shoot or do i need a 20g to stick through the stopper so no bact. gets in?