Expiration dates are always pretty vague. This description is essentially correct and might be helpful to clarify. (Also note, exp dates are required in on dairy, eggs, baby formula, seafood & "potentially hazardous" or ready to eat foods.
If your local housewares store or hardware store sells galvanized tubs, they most likely will cost half of what a specialty shop charges. Here the small tub provides a shiny frame for spring hyacinth bulbs.