Am I just being an idiot? I'm just finishing up my tank plumbing and all I have left are a few 1/2" hose barbs to connect to some 1/2" black vinyl tubing. I simply cannot get the hose fully seated onto the barb. It's a 5 tooth barb and I can get the hose onto the 3rd barb just. I have tried both lubing the barb and allowing the tubing to sit in boiling water, but it just isn't happening. Is there some trick I seem to be missing? Both the hose and barb are from brs.