The "no eating" part is pretty serious if you have four legged pets or children that visit.
I keep my ferts locked away with the guts of my plumbing, CO2 tank, etc below the tank. I installed key locks on the tank stand doors.
I've never noticed any dust issues. I have allergy induced asthma too.
75g 3 T8s 2x OD, XP3, pres. CO2,