Questions and Answers Category: Kashrut

Dishwasher With Non-Kosher Dishes

I ran the dishwasher with pyrex glass dishes whose kosher status is unclear to me (I believe the owner used them for both meat and milk – but in the past 6 months or so I’ve only been using them for cold). Does the dishwasher have to be kashered before I can use it for meat dishes?

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Cheese Cut With Non-Kosher Knife

I purchased a block of cheese from a store that sells both kosher and non-kosher cheeses. However, they cut the cheese with the same knife that they cut the non-kosher cheeses. Is this a problem?

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