4 Things to Know About Killing Cooler Mold

Use diluted bleach for the safest and most effective kill Mix one tablespoon of bleach per quart of water, scrub the interior, let it sit for five minutes, then rinse and dry completely.

Vinegar works but is weaker on deep-set mold It is a decent alternative if you want to avoid bleach fumes, but it will not handle heavy infestations as well.

Baking soda paste is only for light surface mold It is fine for minor spots but not strong enough for serious growth.

Dry the cooler completely before storing it Mold needs moisture to return, so make sure the cooler is bone dry. Never skip the rinse step—bleach residue will ruin the taste of your food and drinks.