If you find that you just can't use up an open container of formula in the recommended time frame, you may want to consider switching formula types or packaging. (modernmom.com)
Of course, our office had to call and remind them of the urgency, as I suspect they simply assume other families simply switch formula brands. (believemidwiferyservices.com)
She is picky and has never had a problem switching formulas in the brand.. (royalcanin.com)