Where Do You Put Tupperware In The Dishwasher?
Where Do You Put Tupperware In The Dishwasher? Only use the dishwasher if the plastic containers are labeled “dishwasher safe” and always use the top rack. The bottom rack is closer to the heating element and can melt your containers. Brown says for Tupperware-brand containers, anything purchased before 1979 should not go in the dishwasher.