I’ve used AA, Rancho, Mr. Gas (Colorado Springs,) and German. I recommend
all except German.
Mr Gas deserves to be highlighted here. Great work. Lower cost.
Cheers
-- 
*Miguel*

*The free soul is rare, but you know it when you see it- basically because
you feel good, very good, when you are near or with them. *
*- Charles Bukowski, Tales of Ordinary*