NEED A CHEAP PLACE TO FILL NITROGEN BOTTLE IN PHOENIX

HEY GUYS I LIVE IN PHOENIX ARIZONA AND WAS WONDERING IF THERE WERE ANY MEMBERS HERE IN PHOENIX THAT CAN TELL ME WHERE TO GO GET MY NITROGEN BOTTLE FILLED FOR CHEAP. WHEN I LIVED IN CALI I GOT IT FILLED FOR 15 BUCKS ALL DAY EVERYDAY. HERE I CANT GET ANY LOWER THEN LIKE 45 BUCKS. THANKS IN ADVANCE

dont know man. sorry,... heh
call places out here in QC. shit seems cheaper out here.