Let's say you're staying at a non-Jewish relative's house. He bought you kosher food because he knows you keep kosher. He buys you a drink such as milk. You see him pour the drink for himself into his own non-kosher glass. While pouring, the jug's spout touches his glass. Are you allowed to use that jug to drink out of?
- Anybody can ask a question
- Anybody can answer
- The best answers are voted up and rise to the top
As long as the glass is clean, yes, absolutely. You can even drink from one of his non-kosher glasses.
You can use a non-kosher vessel for kosher food, with the following conditions:
As long as those conditions are met, it doesn't "treif" up your kosher food.