Originally Posted by Louisiana Rider
Put the one pounder in the freezer first and make sure the 20 pounder is upside down.
This trick will fully refill the little bottle.
The thing is that the burner requires MAP gas, not propane. If I can fill up the 20 pounder with map gas, then I might as wel just have the benzomatic attachment on it instead of having to refill the little one. I'll ask around