I have used almost every smoke fluid offering on the market including Lionel's and MTH's brand in all my engines. I have even used LGB's smoke fluid in Weaver, Atlas, MTH, Lionel and RMT engines. I have a wide range of smoke from JT (like the various smells including the Christmas versions) and Mega-Steam. I really don't see much difference in performance. If you max the smoke buttons you get a nice plume. The on thing I do every 3 months or so is use some of Mega-Steam's Eliminator Smoke Fluid as it is a special "treatment" for smoke units that helps eliminate bad odors. It seems to work and also I find it cleans the smoke unit nicely.
I just follow the manufacturer directions of no more than 15 ~ 20 drops in the smoke unit then I run it until their is very little smoke being produced.
K
