Yea i think if these are your worries and all your buyin is some weed you might want to check your sources. Now why anyone would put household chemicals that could kill you on weed would be dumb and pointless. Lacing it with anything other then that is just some free props from your dealer. In respect to that if your dealer is giving you more then you paid for....send a big "Word" to your dealer from me...and maybe his number