Q12 removes the worst rust in minutes, No more sanding; just apply and wait for it to work. Apply Q12 and wait for 30 minutes, then wash off with water, If the surface is to be painted, Q12 does not act as a primer and the surface must be primed before painting. Use it in the garage, home, workshop or on the farm for any rusty tools, implements and fittings. Comes in a safe and secure packaging Product description Q12 removes the worst rust in minutes, No more sanding; just apply and wait for it to work. Use it in the garage, home, workshop or on the farm for any rusty tools, implements and fittings. Apply Q12 and wait for 30 minutes, then wash off with water, If the surface is to be painted, Q12 does not act as a primer and the surface must be primed before painting