3 Reasons to Remove Canned Tuna From the Can Before Refrigerating

The metal can imparts a metallic taste once the tuna is exposed to air. The can isn’t airtight after opening, so the tuna quickly picks up a tinny flavor.

Transfer the tuna to a small glass or plastic container with a tight lid. Press plastic wrap directly onto the surface of the tuna before sealing to prevent air exposure. It keeps for 2–3 days max.

Don’t bother covering the can with foil—it still tastes metallic. You bought the tuna for its neutral flavor, not to taste like a tin can.