Why You Shouldn’t Throw Away Canned Tuna Oil: It Can Contain DHA and Vitamin D

contribute to plumbing problems. Oils and fats can accumulate inside pipes and combine with other materials, increasing the risk of blockages.

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For larger quantities of leftover  oil that you do not intend to use, check your local waste-management guidance. Some communities collect used cooking oil for recycling, while others provide specific disposal instructions.

Avoid flushing oil down the toilet or pouring it directly into outdoor drains, where it can contribute to environmental contamination.

How to Reuse Canned Tuna Oil

If the oil is fresh, properly stored, and