Paraffin, Vaseline, and baby oil are all petroleum oil based and will react with silicone. You must use a brown stopper in your tank and either Neoprene or Tygon tubing in your smoke system.

Try a small amount thinned with enough naphtha so it will freely flow? Be careful, the naphtha itself will burn like 65 octane gasoline

The SuperDri commercial smoke oil is thin