Ok, so after fumbling around with different cartomizers, strengths and brands I need a little help.  I can smoke pretty much anything, PG, VG, PGVG, does not matter, however looks as though my wife is gonna need to stick with a VG based liquid.  Maybe some of you can recommend some good juices, here is what she needs: 
 
*Menthol Flavor 
*Needs to be at least 24mg 
*VG based 
Would be nice if it was similar to Marl Menthol full flavor, that is what she has been smoking for years.  
 
Again, thanks in advance to you all, I am now headed to the vaportalk store to check on some of their liquids, thanks guys.